55778337503130 has 32 divisors (see below), whose sum is σ = 146037829099968. Its totient is φ = 13522021212800.

The previous prime is 55778337503081. The next prime is 55778337503143. The reversal of 55778337503130 is 3130573387755.

It is a super-2 number, since 2×55778337503130² (a number of 28 digits) contains 22 as substring.

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, 84512632251 + ... + 84512632910.

It is an arithmetic number, because the mean of its divisors is an integer number (4563682159374).

Almost surely, 2^{55778337503130} is an apocalyptic number.

55778337503130 is an abundant number, since it is smaller than the sum of its proper divisors (90259491596838).

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

55778337503130 is a wasteful number, since it uses less digits than its factorization.

55778337503130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169025265182.

The product of its (nonzero) digits is 27783000, while the sum is 57.

The spelling of 55778337503130 in words is "fifty-five trillion, seven hundred seventy-eight billion, three hundred thirty-seven million, five hundred three thousand, one hundred thirty".