56477951 has 8 divisors (see below), whose sum is σ = 57957984. Its totient is φ = 55002880.

The previous prime is 56477933. The next prime is 56477957. The reversal of 56477951 is 15977465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56477951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56477957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35591 + ... + 37143.

It is an arithmetic number, because the mean of its divisors is an integer number (7244748).

Almost surely, 2^56477951 is an apocalyptic number.

56477951 is a deficient number, since it is larger than the sum of its proper divisors (1480033).

56477951 is a wasteful number, since it uses less digits than its factorization.

56477951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481.

The product of its digits is 264600, while the sum is 44.

The square root of 56477951 is about 7515.1813684036. The cubic root of 56477951 is about 383.6715919553.

The spelling of 56477951 in words is "fifty-six million, four hundred seventy-seven thousand, nine hundred fifty-one".