56155473 has 24 divisors (see below), whose sum is σ = 88976160. Its totient is φ = 33845760.

The previous prime is 56155457. The next prime is 56155493. The reversal of 56155473 is 37455165.

56155473 is a `hidden beast` number, since 561 + 55 + 47 + 3 = 666.

It is not a de Polignac number, because 56155473 - 2⁴ = 56155457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56155453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17638 + ... + 20576.

It is an arithmetic number, because the mean of its divisors is an integer number (3707340).

Almost surely, 2^56155473 is an apocalyptic number.

It is an amenable number.

56155473 is a deficient number, since it is larger than the sum of its proper divisors (32820687).

56155473 is a wasteful number, since it uses less digits than its factorization.

56155473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3149 (or 3146 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 56155473 is about 7493.6955502609. The cubic root of 56155473 is about 382.9399679126.

The spelling of 56155473 in words is "fifty-six million, one hundred fifty-five thousand, four hundred seventy-three".