55966955 has 16 divisors (see below), whose sum is σ = 75794400. Its totient is φ = 39298560.

The previous prime is 55966943. The next prime is 55966961.

55966955 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55966955 - 2⁸ = 55966699 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15950 + ... + 19139.

It is an arithmetic number, because the mean of its divisors is an integer number (4737150).

Almost surely, 2^55966955 is an apocalyptic number.

55966955 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55966955 is a deficient number, since it is larger than the sum of its proper divisors (19827445).

55966955 is a wasteful number, since it uses less digits than its factorization.

55966955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35134.

The product of its digits is 1822500, while the sum is 50.

The square root of 55966955 is about 7481.1065358007. The cubic root of 55966955 is about 382.5109684012.

The spelling of 55966955 in words is "fifty-five million, nine hundred sixty-six thousand, nine hundred fifty-five".