55955955 has 16 divisors (see below), whose sum is σ = 97668864. Its totient is φ = 27130080.

The previous prime is 55955929. The next prime is 55955981.

55955955 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (55955929) and next prime (55955981).

It is not a de Polignac number, because 55955955 - 2⁷ = 55955827 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, 169399 + ... + 169728.

It is an arithmetic number, because the mean of its divisors is an integer number (6104304).

Almost surely, 2^55955955 is an apocalyptic number.

55955955 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55955955 is a deficient number, since it is larger than the sum of its proper divisors (41712909).

55955955 is a wasteful number, since it uses less digits than its factorization.

55955955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339146.

The product of its digits is 1265625, while the sum is 48.

The square root of 55955955 is about 7480.3713143132. The cubic root of 55955955 is about 382.4859066105.

It can be divided in two parts, 55 and 955955, that multiplied together give a palindrome (52577525).

The spelling of 55955955 in words is "fifty-five million, nine hundred fifty-five thousand, nine hundred fifty-five".