56507955 has 32 divisors (see below), whose sum is σ = 103724544. Its totient is φ = 25733376.

The previous prime is 56507953. The next prime is 56507999. The reversal of 56507955 is 55970565.

It is not a de Polignac number, because 56507955 - 2¹ = 56507953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56507951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31359 + ... + 33111.

It is an arithmetic number, because the mean of its divisors is an integer number (3241392).

Almost surely, 2^56507955 is an apocalyptic number.

56507955 is a deficient number, since it is larger than the sum of its proper divisors (47216589).

56507955 is a wasteful number, since it uses less digits than its factorization.

56507955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075.

The product of its (nonzero) digits is 236250, while the sum is 42.

The square root of 56507955 is about 7517.1773292906. The cubic root of 56507955 is about 383.7395219723.

The spelling of 56507955 in words is "fifty-six million, five hundred seven thousand, nine hundred fifty-five".