55672559 has 4 divisors (see below), whose sum is σ = 57468480. Its totient is φ = 53876640.

The previous prime is 55672549. The next prime is 55672571. The reversal of 55672559 is 95527655.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55672559 - 2⁸ = 55672303 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55672549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 897914 + ... + 897975.

It is an arithmetic number, because the mean of its divisors is an integer number (14367120).

Almost surely, 2^55672559 is an apocalyptic number.

55672559 is a deficient number, since it is larger than the sum of its proper divisors (1795921).

55672559 is a wasteful number, since it uses less digits than its factorization.

55672559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795920.

The product of its digits is 472500, while the sum is 44.

The square root of 55672559 is about 7461.4046264762. The cubic root of 55672559 is about 381.8390973717.

The spelling of 55672559 in words is "fifty-five million, six hundred seventy-two thousand, five hundred fifty-nine".