55775507870 has 16 divisors (see below), whose sum is σ = 100430478720. Its totient is φ = 22302522144.

The previous prime is 55775507867. The next prime is 55775507891. The reversal of 55775507870 is 7870557755.

It is a super-2 number, since 2×55775507870² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929582 + ... + 987761.

It is an arithmetic number, because the mean of its divisors is an integer number (6276904920).

Almost surely, 2^55775507870 is an apocalyptic number.

55775507870 is a deficient number, since it is larger than the sum of its proper divisors (44654970850).

55775507870 is a wasteful number, since it uses less digits than its factorization.

55775507870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920259.

The product of its (nonzero) digits is 12005000, while the sum is 56.

The spelling of 55775507870 in words is "fifty-five billion, seven hundred seventy-five million, five hundred seven thousand, eight hundred seventy".