56777234142 has 64 divisors (see below), whose sum is σ = 120821336064. Its totient is φ = 17758379520.

The previous prime is 56777234089. The next prime is 56777234159. The reversal of 56777234142 is 24143277765.

It is a junction number, because it is equal to n+sod(n) for n = 56777234091 and 56777234100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1069818 + ... + 1121634.

It is an arithmetic number, because the mean of its divisors is an integer number (1887833376).

Almost surely, 2^56777234142 is an apocalyptic number.

56777234142 is an abundant number, since it is smaller than the sum of its proper divisors (64044101922).

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

56777234142 is a wasteful number, since it uses less digits than its factorization.

56777234142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52033.

The product of its digits is 1975680, while the sum is 48.

It can be divided in two parts, 5677723 and 4142, that added together give a palindrome (5681865).

The spelling of 56777234142 in words is "fifty-six billion, seven hundred seventy-seven million, two hundred thirty-four thousand, one hundred forty-two".