56507045 has 48 divisors (see below), whose sum is σ = 84816000. Its totient is φ = 35925120.

The previous prime is 56506991. The next prime is 56507057. The reversal of 56507045 is 54070565.

It is a happy number.

It is not a de Polignac number, because 56507045 - 2⁸ = 56506789 is a prime.

It is a super-2 number, since 2×56507045² = 6386092269264050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 283856 + ... + 284054.

It is an arithmetic number, because the mean of its divisors is an integer number (1767000).

Almost surely, 2^56507045 is an apocalyptic number.

It is an amenable number.

56507045 is a deficient number, since it is larger than the sum of its proper divisors (28308955).

56507045 is a wasteful number, since it uses less digits than its factorization.

56507045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 56507045 is about 7517.1168010082. The cubic root of 56507045 is about 383.7374620568.

The spelling of 56507045 in words is "fifty-six million, five hundred seven thousand, forty-five".