55428492 has 24 divisors (see below), whose sum is σ = 147809536. Its totient is φ = 15836688.

The previous prime is 55428487. The next prime is 55428521. The reversal of 55428492 is 29482455.

55428492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55428492.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329848 + ... + 330015.

Almost surely, 2^55428492 is an apocalyptic number.

It is an amenable number.

55428492 is an abundant number, since it is smaller than the sum of its proper divisors (92381044).

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

55428492 is a wasteful number, since it uses less digits than its factorization.

55428492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659877 (or 659875 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 55428492 is about 7445.0313632650. The cubic root of 55428492 is about 381.2802891997.

The spelling of 55428492 in words is "fifty-five million, four hundred twenty-eight thousand, four hundred ninety-two".