55272608 has 24 divisors (see below), whose sum is σ = 112572180. Its totient is φ = 26682880.

The previous prime is 55272601. The next prime is 55272617. The reversal of 55272608 is 80627255.

It can be written as a sum of positive squares in 2 ways, for example, as 47499664 + 7772944 = 6892^2 + 2788^2 .

It is a super-2 number, since 2×55272608² = 6110122390243328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55272601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28853 + ... + 30708.

Almost surely, 2^55272608 is an apocalyptic number.

55272608 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

55272608 is an abundant number, since it is smaller than the sum of its proper divisors (57299572).

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

55272608 is a wasteful number, since it uses less digits than its factorization.

55272608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59600 (or 59592 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 55272608 is about 7434.5549967701. The cubic root of 55272608 is about 380.9225231282.

The spelling of 55272608 in words is "fifty-five million, two hundred seventy-two thousand, six hundred eight".