55112572 has 24 divisors (see below), whose sum is σ = 102558960. Its totient is φ = 25824000.

The previous prime is 55112537. The next prime is 55112579. The reversal of 55112572 is 27521155.

It is a self number, because there is not a number n which added to its sum of digits gives 55112572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55112579) 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, 15454 + ... + 18682.

It is an arithmetic number, because the mean of its divisors is an integer number (4273290).

Almost surely, 2^55112572 is an apocalyptic number.

It is an amenable number.

55112572 is a deficient number, since it is larger than the sum of its proper divisors (47446388).

55112572 is a wasteful number, since it uses less digits than its factorization.

55112572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3501 (or 3499 counting only the distinct ones).

The product of its digits is 3500, while the sum is 28.

The square root of 55112572 is about 7423.7842102259. The cubic root of 55112572 is about 380.5545274209.

The spelling of 55112572 in words is "fifty-five million, one hundred twelve thousand, five hundred seventy-two".