55907475 has 48 divisors (see below), whose sum is σ = 105430752. Its totient is φ = 25896960.

The previous prime is 55907471. The next prime is 55907491. The reversal of 55907475 is 57470955.

It is not a de Polignac number, because 55907475 - 2² = 55907471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55907471) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14889 + ... + 18261.

It is an arithmetic number, because the mean of its divisors is an integer number (2196474).

Almost surely, 2^55907475 is an apocalyptic number.

55907475 is a deficient number, since it is larger than the sum of its proper divisors (49523277).

55907475 is a wasteful number, since it uses less digits than its factorization.

55907475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3416 (or 3411 counting only the distinct ones).

The product of its (nonzero) digits is 220500, while the sum is 42.

The square root of 55907475 is about 7477.1301312736. The cubic root of 55907475 is about 382.3754133097.

The spelling of 55907475 in words is "fifty-five million, nine hundred seven thousand, four hundred seventy-five".