55907874 has 32 divisors (see below), whose sum is σ = 135535680. Its totient is φ = 16941600.

The previous prime is 55907833. The next prime is 55907879. The reversal of 55907874 is 47870955.

It is not an unprimeable number, because it can be changed into a prime (55907879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46467 + ... + 47654.

It is an arithmetic number, because the mean of its divisors is an integer number (4235490).

Almost surely, 2^55907874 is an apocalyptic number.

55907874 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

55907874 is an abundant number, since it is smaller than the sum of its proper divisors (79627806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55907874 is a wasteful number, since it uses less digits than its factorization.

55907874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94143 (or 94137 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 55907874 is about 7477.1568125859. The cubic root of 55907874 is about 382.3763229521.

The spelling of 55907874 in words is "fifty-five million, nine hundred seven thousand, eight hundred seventy-four".