55700307774 has 32 divisors (see below), whose sum is σ = 130293120000. Its totient is φ = 17589570552.

The previous prime is 55700307727. The next prime is 55700307797. The reversal of 55700307774 is 47770300755.

55700307774 is a `hidden beast` number, since 5 + 570 + 0 + 3 + 0 + 7 + 7 + 74 = 666.

It is a super-2 number, since 2×55700307774² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

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, 27143374 + ... + 27145425.

It is an arithmetic number, because the mean of its divisors is an integer number (4071660000).

Almost surely, 2^55700307774 is an apocalyptic number.

55700307774 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

55700307774 is an abundant number, since it is smaller than the sum of its proper divisors (74592812226).

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

55700307774 is a wasteful number, since it uses less digits than its factorization.

55700307774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54288829 (or 54288823 counting only the distinct ones).

The product of its (nonzero) digits is 720300, while the sum is 45.

The spelling of 55700307774 in words is "fifty-five billion, seven hundred million, three hundred seven thousand, seven hundred seventy-four".