56045547 has 8 divisors (see below), whose sum is σ = 83030480. Its totient is φ = 37363680.

The previous prime is 56045543. The next prime is 56045557. The reversal of 56045547 is 74554065.

It is a happy number.

56045547 is a `hidden beast` number, since 5 + 604 + 5 + 5 + 47 = 666.

It is not a de Polignac number, because 56045547 - 2² = 56045543 is a prime.

It is a super-2 number, since 2×56045547² = 6282206677058418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56045543) 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, 1037854 + ... + 1037907.

It is an arithmetic number, because the mean of its divisors is an integer number (10378810).

Almost surely, 2^56045547 is an apocalyptic number.

56045547 is a deficient number, since it is larger than the sum of its proper divisors (26984933).

56045547 is a wasteful number, since it uses less digits than its factorization.

56045547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075770 (or 2075764 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 56045547 is about 7486.3573919497. The cubic root of 56045547 is about 382.6899325850.

The spelling of 56045547 in words is "fifty-six million, forty-five thousand, five hundred forty-seven".