55471072 has 24 divisors (see below), whose sum is σ = 111272616. Its totient is φ = 27211392.

The previous prime is 55471069. The next prime is 55471111. The reversal of 55471072 is 27017455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14658 + ... + 18049.

It is an arithmetic number, because the mean of its divisors is an integer number (4636359).

Almost surely, 2^55471072 is an apocalyptic number.

It is an amenable number.

55471072 is an abundant number, since it is smaller than the sum of its proper divisors (55801544).

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

55471072 is a wasteful number, since it uses less digits than its factorization.

55471072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32770 (or 32762 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 55471072 is about 7447.8904395809. The cubic root of 55471072 is about 381.3778969985.

The spelling of 55471072 in words is "fifty-five million, four hundred seventy-one thousand, seventy-two".