55776710622 has 32 divisors (see below), whose sum is σ = 112156531200. Its totient is φ = 18491790240.

The previous prime is 55776710611. The next prime is 55776710623. The reversal of 55776710622 is 22601767755.

It is a super-2 number, since 2×55776710622² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55776710623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3838623 + ... + 3853125.

It is an arithmetic number, because the mean of its divisors is an integer number (3504891600).

Almost surely, 2^55776710622 is an apocalyptic number.

55776710622 is an abundant number, since it is smaller than the sum of its proper divisors (56379820578).

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

55776710622 is a wasteful number, since it uses less digits than its factorization.

55776710622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17928.

The product of its (nonzero) digits is 1234800, while the sum is 48.

The spelling of 55776710622 in words is "fifty-five billion, seven hundred seventy-six million, seven hundred ten thousand, six hundred twenty-two".