55813392 has 60 divisors (see below), whose sum is σ = 161251584. Its totient is φ = 18002880.

The previous prime is 55813379. The next prime is 55813409. The reversal of 55813392 is 29331855.

55813392 is a `hidden beast` number, since 558 + 13 + 3 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 1788 + ... + 10715.

Almost surely, 2^55813392 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 55813392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80625792).

55813392 is an abundant number, since it is smaller than the sum of its proper divisors (105438192).

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

55813392 is a wasteful number, since it uses less digits than its factorization.

55813392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12548 (or 12539 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 55813392 is about 7470.8360977872. The cubic root of 55813392 is about 382.1608014300.

The spelling of 55813392 in words is "fifty-five million, eight hundred thirteen thousand, three hundred ninety-two".