55077756834 has 32 divisors (see below), whose sum is σ = 112274211456. Its totient is φ = 18008762240.

The previous prime is 55077756821. The next prime is 55077756859. The reversal of 55077756834 is 43865777055.

It is a Curzon 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, 244227 + ... + 412070.

It is an arithmetic number, because the mean of its divisors is an integer number (3508569108).

Almost surely, 2^55077756834 is an apocalyptic number.

55077756834 is an abundant number, since it is smaller than the sum of its proper divisors (57196454622).

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

55077756834 is a wasteful number, since it uses less digits than its factorization.

55077756834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656570.

The product of its (nonzero) digits is 24696000, while the sum is 57.

The spelling of 55077756834 in words is "fifty-five billion, seventy-seven million, seven hundred fifty-six thousand, eight hundred thirty-four".