55897875 has 48 divisors (see below), whose sum is σ = 109950048. Its totient is φ = 27096000.

The previous prime is 55897837. The next prime is 55897879. The reversal of 55897875 is 57879855.

55897875 is a `hidden beast` number, since 558 + 9 + 7 + 87 + 5 = 666.

It is not a de Polignac number, because 55897875 - 2⁷ = 55897747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55897879) 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, 10117 + ... + 14633.

It is an arithmetic number, because the mean of its divisors is an integer number (2290626).

Almost surely, 2^55897875 is an apocalyptic number.

55897875 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55897875 is a deficient number, since it is larger than the sum of its proper divisors (54052173).

55897875 is a wasteful number, since it uses less digits than its factorization.

55897875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4549 (or 4536 counting only the distinct ones).

The product of its digits is 3528000, while the sum is 54.

The square root of 55897875 is about 7476.4881461820. The cubic root of 55897875 is about 382.3535258722.

The spelling of 55897875 in words is "fifty-five million, eight hundred ninety-seven thousand, eight hundred seventy-five".