56807461 has 4 divisors (see below), whose sum is σ = 57222252. Its totient is φ = 56392672.

The previous prime is 56807459. The next prime is 56807479. The reversal of 56807461 is 16470865.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16470865 = 5 ⋅3294173.

It can be written as a sum of positive squares in 2 ways, for example, as 12916836 + 43890625 = 3594^2 + 6625^2 .

It is a cyclic number.

It is not a de Polignac number, because 56807461 - 2¹ = 56807459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56807461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56807561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207190 + ... + 207463.

It is an arithmetic number, because the mean of its divisors is an integer number (14305563).

Almost surely, 2^56807461 is an apocalyptic number.

It is an amenable number.

56807461 is a deficient number, since it is larger than the sum of its proper divisors (414791).

56807461 is a wasteful number, since it uses less digits than its factorization.

56807461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414790.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 56807461 is about 7537.0724422683. The cubic root of 56807461 is about 384.4162988300.

The spelling of 56807461 in words is "fifty-six million, eight hundred seven thousand, four hundred sixty-one".