55234992 has 20 divisors (see below), whose sum is σ = 142690520. Its totient is φ = 18411648.

The previous prime is 55234979. The next prime is 55235003. The reversal of 55234992 is 29943255.

It is a self number, because there is not a number n which added to its sum of digits gives 55234992.

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, 575317 + ... + 575412.

It is an arithmetic number, because the mean of its divisors is an integer number (7134526).

Almost surely, 2^55234992 is an apocalyptic number.

It is an amenable number.

55234992 is an abundant number, since it is smaller than the sum of its proper divisors (87455528).

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

55234992 is a wasteful number, since it uses less digits than its factorization.

55234992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150740 (or 1150734 counting only the distinct ones).

The product of its digits is 97200, while the sum is 39.

The square root of 55234992 is about 7432.0247577629. The cubic root of 55234992 is about 380.8360907229.

The spelling of 55234992 in words is "fifty-five million, two hundred thirty-four thousand, nine hundred ninety-two".