55672555 has 8 divisors (see below), whose sum is σ = 66887712. Its totient is φ = 44484288.

The previous prime is 55672549. The next prime is 55672571. The reversal of 55672555 is 55527655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55672555 - 2¹⁷ = 55541483 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1842 + ... + 10711.

It is an arithmetic number, because the mean of its divisors is an integer number (8360964).

Almost surely, 2^55672555 is an apocalyptic number.

55672555 is a deficient number, since it is larger than the sum of its proper divisors (11215157).

55672555 is a wasteful number, since it uses less digits than its factorization.

55672555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13445.

The product of its digits is 262500, while the sum is 40.

The square root of 55672555 is about 7461.4043584301. The cubic root of 55672555 is about 381.8390882269.

The spelling of 55672555 in words is "fifty-five million, six hundred seventy-two thousand, five hundred fifty-five".