55532475072 has 84 divisors (see below), whose sum is σ = 165069185736. Its totient is φ = 18510819840.

The previous prime is 55532475059. The next prime is 55532475109. The reversal of 55532475072 is 27057423555.

55532475072 is a `hidden beast` number, since 5 + 5 + 532 + 47 + 5 + 0 + 72 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1769829 + ... + 1800932.

It is an arithmetic number, because the mean of its divisors is an integer number (1965109354).

Almost surely, 2^55532475072 is an apocalyptic number.

It is an amenable number.

55532475072 is an abundant number, since it is smaller than the sum of its proper divisors (109536710664).

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

55532475072 is an equidigital number, since it uses as much as digits as its factorization.

55532475072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570788 (or 3570766 counting only the distinct ones).

The product of its (nonzero) digits is 1470000, while the sum is 45.

It can be divided in two parts, 5553 and 2475072, that added together give a square (2480625 = 1575²).

The spelling of 55532475072 in words is "fifty-five billion, five hundred thirty-two million, four hundred seventy-five thousand, seventy-two".