55873272 has 64 divisors (see below), whose sum is σ = 171924480. Its totient is φ = 14735232.

The previous prime is 55873267. The next prime is 55873273. The reversal of 55873272 is 27237855.

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 Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 55873272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55873273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10608 + ... + 14975.

It is an arithmetic number, because the mean of its divisors is an integer number (2686320).

Almost surely, 2^55873272 is an apocalyptic number.

55873272 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55873272 is an abundant number, since it is smaller than the sum of its proper divisors (116051208).

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

55873272 is a wasteful number, since it uses less digits than its factorization.

55873272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25612 (or 25608 counting only the distinct ones).

The product of its digits is 117600, while the sum is 39.

The square root of 55873272 is about 7474.8426070386. The cubic root of 55873272 is about 382.2974210305.

The spelling of 55873272 in words is "fifty-five million, eight hundred seventy-three thousand, two hundred seventy-two".