55672572 has 12 divisors (see below), whose sum is σ = 129902696. Its totient is φ = 18557520.

The previous prime is 55672571. The next prime is 55672583. The reversal of 55672572 is 27527655.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 55672572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55672571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2319679 + ... + 2319702.

Almost surely, 2^55672572 is an apocalyptic number.

It is an amenable number.

55672572 is an abundant number, since it is smaller than the sum of its proper divisors (74230124).

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

55672572 is a wasteful number, since it uses less digits than its factorization.

55672572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4639388 (or 4639386 counting only the distinct ones).

The product of its digits is 147000, while the sum is 39.

The square root of 55672572 is about 7461.4054976258. The cubic root of 55672572 is about 381.8391270926.

The spelling of 55672572 in words is "fifty-five million, six hundred seventy-two thousand, five hundred seventy-two".