54817457 has 4 divisors (see below), whose sum is σ = 55635696. Its totient is φ = 53999220.

The previous prime is 54817439. The next prime is 54817459. The reversal of 54817457 is 75471845.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54817457 - 2⁸ = 54817201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54817459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409019 + ... + 409152.

It is an arithmetic number, because the mean of its divisors is an integer number (13908924).

Almost surely, 2^54817457 is an apocalyptic number.

It is an amenable number.

54817457 is a deficient number, since it is larger than the sum of its proper divisors (818239).

54817457 is an equidigital number, since it uses as much as digits as its factorization.

54817457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818238.

The product of its digits is 156800, while the sum is 41.

The square root of 54817457 is about 7403.8812119050. The cubic root of 54817457 is about 379.8740510573.

The spelling of 54817457 in words is "fifty-four million, eight hundred seventeen thousand, four hundred fifty-seven".