56807478 has 96 divisors (see below), whose sum is σ = 153753600. Its totient is φ = 14758848.

The previous prime is 56807459. The next prime is 56807479. The reversal of 56807478 is 87470865.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56807479) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129183 + ... + 129621.

It is an arithmetic number, because the mean of its divisors is an integer number (1601600).

Almost surely, 2^56807478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56807478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76876800).

56807478 is an abundant number, since it is smaller than the sum of its proper divisors (96946122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56807478 is a wasteful number, since it uses less digits than its factorization.

56807478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 56807478 is about 7537.0735700270. The cubic root of 56807478 is about 384.4163371763.

The spelling of 56807478 in words is "fifty-six million, eight hundred seven thousand, four hundred seventy-eight".