55297122504 has 128 divisors (see below), whose sum is σ = 159630912000. Its totient is φ = 15810822144.

The previous prime is 55297122497. The next prime is 55297122533. The reversal of 55297122504 is 40522179255.

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, 353032 + ... + 485000.

It is an arithmetic number, because the mean of its divisors is an integer number (1247116500).

Almost surely, 2^55297122504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55297122504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79815456000).

55297122504 is an abundant number, since it is smaller than the sum of its proper divisors (104333789496).

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

55297122504 is a wasteful number, since it uses less digits than its factorization.

55297122504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132087 (or 132083 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 55297122504 in words is "fifty-five billion, two hundred ninety-seven million, one hundred twenty-two thousand, five hundred four".