55471560 has 32 divisors (see below), whose sum is σ = 166415040. Its totient is φ = 14792384.

The previous prime is 55471543. The next prime is 55471579. The reversal of 55471560 is 6517455.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231012 + ... + 231251.

It is an arithmetic number, because the mean of its divisors is an integer number (5200470).

Almost surely, 2^55471560 is an apocalyptic number.

It is an amenable number.

55471560 is an abundant number, since it is smaller than the sum of its proper divisors (110943480).

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

55471560 is a wasteful number, since it uses less digits than its factorization.

55471560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462277 (or 462273 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 55471560 is about 7447.9232004633. The cubic root of 55471560 is about 381.3790153705.

The spelling of 55471560 in words is "fifty-five million, four hundred seventy-one thousand, five hundred sixty".