55383315 has 32 divisors (see below), whose sum is σ = 95993856. Its totient is φ = 27104640.

The previous prime is 55383277. The next prime is 55383319. The reversal of 55383315 is 51338355.

It is a happy number.

It is not a de Polignac number, because 55383315 - 2²² = 51189011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55383319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36502 + ... + 37988.

It is an arithmetic number, because the mean of its divisors is an integer number (2999808).

Almost surely, 2^55383315 is an apocalyptic number.

55383315 is a deficient number, since it is larger than the sum of its proper divisors (40610541).

55383315 is a wasteful number, since it uses less digits than its factorization.

55383315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699.

The product of its digits is 27000, while the sum is 33.

The square root of 55383315 is about 7441.9967078735. The cubic root of 55383315 is about 381.1766735267.

The spelling of 55383315 in words is "fifty-five million, three hundred eighty-three thousand, three hundred fifteen".