55563576 has 16 divisors (see below), whose sum is σ = 138909000. Its totient is φ = 18521184.

The previous prime is 55563551. The next prime is 55563583. The reversal of 55563576 is 67536555.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1157551 + ... + 1157598.

Almost surely, 2^55563576 is an apocalyptic number.

It is an amenable number.

55563576 is an abundant number, since it is smaller than the sum of its proper divisors (83345424).

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

55563576 is a wasteful number, since it uses less digits than its factorization.

55563576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315158 (or 2315154 counting only the distinct ones).

The product of its digits is 472500, while the sum is 42.

The square root of 55563576 is about 7454.0979333518. The cubic root of 55563576 is about 381.5897755348.

The spelling of 55563576 in words is "fifty-five million, five hundred sixty-three thousand, five hundred seventy-six".