55512492 has 48 divisors (see below), whose sum is σ = 151065600. Its totient is φ = 15859536.

The previous prime is 55512487. The next prime is 55512517. The reversal of 55512492 is 29421555.

55512492 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

55512492 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2628 + ... + 10859.

It is an arithmetic number, because the mean of its divisors is an integer number (3147200).

Almost surely, 2^55512492 is an apocalyptic number.

It is an amenable number.

55512492 is an abundant number, since it is smaller than the sum of its proper divisors (95553108).

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

55512492 is a wasteful number, since it uses less digits than its factorization.

55512492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13515 (or 13499 counting only the distinct ones).

The product of its digits is 18000, while the sum is 33.

The square root of 55512492 is about 7450.6705738477. The cubic root of 55512492 is about 381.4727977687.

The spelling of 55512492 in words is "fifty-five million, five hundred twelve thousand, four hundred ninety-two".