55866995044 has 27 divisors (see below), whose sum is σ = 113735976627. Its totient is φ = 23941579704.

The previous prime is 55866995017. The next prime is 55866995069. The reversal of 55866995044 is 44059966855.

The square root of 55866995044 is 236362.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×55866995044² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3300627 + ... + 3317509.

Almost surely, 2^55866995044 is an apocalyptic number.

55866995044 is the 236362-nd square number.

It is an amenable number.

55866995044 is an abundant number, since it is smaller than the sum of its proper divisors (57868981583).

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

55866995044 is an frugal number, since it uses more digits than its factorization.

55866995044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33784 (or 16892 counting only the distinct ones).

The product of its (nonzero) digits is 46656000, while the sum is 61.

The spelling of 55866995044 in words is "fifty-five billion, eight hundred sixty-six million, nine hundred ninety-five thousand, forty-four".