55388796 has 24 divisors (see below), whose sum is σ = 130878720. Its totient is φ = 18228912.

The previous prime is 55388791. The next prime is 55388849. The reversal of 55388796 is 69788355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55388791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28266 + ... + 30161.

It is an arithmetic number, because the mean of its divisors is an integer number (5453280).

Almost surely, 2^55388796 is an apocalyptic number.

It is an amenable number.

55388796 is an abundant number, since it is smaller than the sum of its proper divisors (75489924).

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

55388796 is a wasteful number, since it uses less digits than its factorization.

55388796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58513 (or 58511 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 51.

The square root of 55388796 is about 7442.3649467088. The cubic root of 55388796 is about 381.1892474726.

The spelling of 55388796 in words is "fifty-five million, three hundred eighty-eight thousand, seven hundred ninety-six".