55803512 has 16 divisors (see below), whose sum is σ = 105024600. Its totient is φ = 27796960.

The previous prime is 55803487. The next prime is 55803521. The reversal of 55803512 is 21530855.

It is a super-2 number, since 2×55803512² = 6228063903068288, which contains 22 as substring.

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, 10814 + ... + 15117.

Almost surely, 2^55803512 is an apocalyptic number.

It is an amenable number.

55803512 is a deficient number, since it is larger than the sum of its proper divisors (49221088).

55803512 is a wasteful number, since it uses less digits than its factorization.

55803512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26206 (or 26202 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 55803512 is about 7470.1748306181. The cubic root of 55803512 is about 382.1382502620.

The spelling of 55803512 in words is "fifty-five million, eight hundred three thousand, five hundred twelve".