55315596 has 48 divisors (see below), whose sum is σ = 148219904. Its totient is φ = 15728256.

The previous prime is 55315583. The next prime is 55315597. The reversal of 55315596 is 69551355.

It is not an unprimeable number, because it can be changed into a prime (55315597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17256 + ... + 20208.

Almost surely, 2^55315596 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 55315596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74109952).

55315596 is an abundant number, since it is smaller than the sum of its proper divisors (92904308).

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

55315596 is a wasteful number, since it uses less digits than its factorization.

55315596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3190 (or 3188 counting only the distinct ones).

The product of its digits is 101250, while the sum is 39.

The square root of 55315596 is about 7437.4455292123. The cubic root of 55315596 is about 381.0212510794.

The spelling of 55315596 in words is "fifty-five million, three hundred fifteen thousand, five hundred ninety-six".