55556592 has 240 divisors, whose sum is σ = 189987840. Its totient is φ = 13837824.

The previous prime is 55556581. The next prime is 55556593. The reversal of 55556592 is 29565555.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55556593) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 703209 + ... + 703287.

It is an arithmetic number, because the mean of its divisors is an integer number (791616).

Almost surely, 2^55556592 is an apocalyptic number.

55556592 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55556592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94993920).

55556592 is an abundant number, since it is smaller than the sum of its proper divisors (134431248).

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

55556592 is a wasteful number, since it uses less digits than its factorization.

55556592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 127 counting only the distinct ones).

The product of its digits is 337500, while the sum is 42.

The square root of 55556592 is about 7453.6294514820. The cubic root of 55556592 is about 381.5737870351.

The spelling of 55556592 in words is "fifty-five million, five hundred fifty-six thousand, five hundred ninety-two".