55264872 has 32 divisors (see below), whose sum is σ = 148790880. Its totient is φ = 17004480.

The previous prime is 55264861. The next prime is 55264879. The reversal of 55264872 is 27846255.

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 55264872.

It is not an unprimeable number, because it can be changed into a prime (55264879) 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, 88254 + ... + 88877.

It is an arithmetic number, because the mean of its divisors is an integer number (4649715).

Almost surely, 2^55264872 is an apocalyptic number.

55264872 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55264872 is an abundant number, since it is smaller than the sum of its proper divisors (93526008).

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

55264872 is a wasteful number, since it uses less digits than its factorization.

55264872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177153 (or 177149 counting only the distinct ones).

The product of its digits is 134400, while the sum is 39.

The square root of 55264872 is about 7434.0347053266. The cubic root of 55264872 is about 380.9047508884.

The spelling of 55264872 in words is "fifty-five million, two hundred sixty-four thousand, eight hundred seventy-two".