55004292 has 96 divisors (see below), whose sum is σ = 168304640. Its totient is φ = 15202080.

The previous prime is 55004281. The next prime is 55004309. The reversal of 55004292 is 29240055.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 31 ways as a sum of consecutive naturals, for example, 22263 + ... + 24609.

Almost surely, 2^55004292 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55004292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84152320).

55004292 is an abundant number, since it is smaller than the sum of its proper divisors (113300348).

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

55004292 is a wasteful number, since it uses less digits than its factorization.

55004292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398 (or 2390 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 55004292 is about 7416.4878480316. The cubic root of 55004292 is about 380.3051381049.

The spelling of 55004292 in words is "fifty-five million, four thousand, two hundred ninety-two".