55237034220 has 48 divisors (see below), whose sum is σ = 154691147520. Its totient is φ = 14727261376.

The previous prime is 55237034197. The next prime is 55237034239. The reversal of 55237034220 is 2243073255.

It is a super-2 number, since 2×55237034220² (a number of 22 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, 271801 + ... + 429359.

It is an arithmetic number, because the mean of its divisors is an integer number (3222732240).

Almost surely, 2^55237034220 is an apocalyptic number.

It is an amenable number.

55237034220 is an abundant number, since it is smaller than the sum of its proper divisors (99454113300).

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

55237034220 is a wasteful number, since it uses less digits than its factorization.

55237034220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163414 (or 163412 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 33.

The spelling of 55237034220 in words is "fifty-five billion, two hundred thirty-seven million, thirty-four thousand, two hundred twenty".