55868090965 has 16 divisors (see below), whose sum is σ = 68705668080. Its totient is φ = 43586081280.

The previous prime is 55868090953. The next prime is 55868090983. The reversal of 55868090965 is 56909086855.

It can be written as a sum of positive squares in 8 ways, for example, as 553284484 + 55314806481 = 23522^2 + 235191^2 .

It is not a de Polignac number, because 55868090965 - 2³⁵ = 21508352597 is a prime.

It is a congruent number.

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, 443671 + ... + 555499.

It is an arithmetic number, because the mean of its divisors is an integer number (4294104255).

Almost surely, 2^55868090965 is an apocalyptic number.

It is an amenable number.

55868090965 is a deficient number, since it is larger than the sum of its proper divisors (12837577115).

55868090965 is a wasteful number, since it uses less digits than its factorization.

55868090965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114312.

The product of its (nonzero) digits is 23328000, while the sum is 61.

The spelling of 55868090965 in words is "fifty-five billion, eight hundred sixty-eight million, ninety thousand, nine hundred sixty-five".