55530456 has 16 divisors (see below), whose sum is σ = 138826200. Its totient is φ = 18510144.

The previous prime is 55530421. The next prime is 55530473. The reversal of 55530456 is 65403555.

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, 1156861 + ... + 1156908.

Almost surely, 2^55530456 is an apocalyptic number.

It is an amenable number.

55530456 is an abundant number, since it is smaller than the sum of its proper divisors (83295744).

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

55530456 is a wasteful number, since it uses less digits than its factorization.

55530456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313778 (or 2313774 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 33.

The square root of 55530456 is about 7451.8760054096. The cubic root of 55530456 is about 381.5139418909.

The spelling of 55530456 in words is "fifty-five million, five hundred thirty thousand, four hundred fifty-six".