55472860 has 24 divisors (see below), whose sum is σ = 116635680. Its totient is φ = 22161984.

The previous prime is 55472843. The next prime is 55472861. The reversal of 55472860 is 6827455.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55472861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26326 + ... + 28354.

It is an arithmetic number, because the mean of its divisors is an integer number (4859820).

Almost surely, 2^55472860 is an apocalyptic number.

It is an amenable number.

55472860 is an abundant number, since it is smaller than the sum of its proper divisors (61162820).

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

55472860 is a wasteful number, since it uses less digits than its factorization.

55472860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3405 (or 3403 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 55472860 is about 7448.0104726027. The cubic root of 55472860 is about 381.3819946079.

The spelling of 55472860 in words is "fifty-five million, four hundred seventy-two thousand, eight hundred sixty".