55722207136 has 48 divisors (see below), whose sum is σ = 115501800960. Its totient is φ = 26389048320.

The previous prime is 55722207131. The next prime is 55722207139. The reversal of 55722207136 is 63170222755.

It is not an unprimeable number, because it can be changed into a prime (55722207131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4545976 + ... + 4558216.

It is an arithmetic number, because the mean of its divisors is an integer number (2406287520).

Almost surely, 2^55722207136 is an apocalyptic number.

It is an amenable number.

55722207136 is an abundant number, since it is smaller than the sum of its proper divisors (59779593824).

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

55722207136 is a wasteful number, since it uses less digits than its factorization.

55722207136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19757 (or 19749 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 40.

The spelling of 55722207136 in words is "fifty-five billion, seven hundred twenty-two million, two hundred seven thousand, one hundred thirty-six".