55020592 has 20 divisors (see below), whose sum is σ = 116293896. Its totient is φ = 25009280.

The previous prime is 55020587. The next prime is 55020661. The reversal of 55020592 is 29502055.

It is a self number, because there is not a number n which added to its sum of digits gives 55020592.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156133 + ... + 156484.

Almost surely, 2^55020592 is an apocalyptic number.

It is an amenable number.

55020592 is an abundant number, since it is smaller than the sum of its proper divisors (61273304).

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

55020592 is a wasteful number, since it uses less digits than its factorization.

55020592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312636 (or 312630 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 55020592 is about 7417.5866695307. The cubic root of 55020592 is about 380.3427010010.

The spelling of 55020592 in words is "fifty-five million, twenty thousand, five hundred ninety-two".