55787877622730 has 32 divisors (see below), whose sum is σ = 112507837729920. Its totient is φ = 19738217142720.

The previous prime is 55787877622723. The next prime is 55787877622817. The reversal of 55787877622730 is 3722677878755.

It is a super-2 number, since 2×55787877622730² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (74).

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, 6853543550 + ... + 6853551689.

It is an arithmetic number, because the mean of its divisors is an integer number (3515869929060).

Almost surely, 2^{55787877622730} is an apocalyptic number.

55787877622730 is an abundant number, since it is smaller than the sum of its proper divisors (56719960107190).

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

55787877622730 is a wasteful number, since it uses less digits than its factorization.

55787877622730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13707095294.

The product of its (nonzero) digits is 1936166400, while the sum is 74.

The spelling of 55787877622730 in words is "fifty-five trillion, seven hundred eighty-seven billion, eight hundred seventy-seven million, six hundred twenty-two thousand, seven hundred thirty".