55178082 has 12 divisors (see below), whose sum is σ = 119552550. Its totient is φ = 18392688.

The previous prime is 55178077. The next prime is 55178093. The reversal of 55178082 is 28087155.

It can be written as a sum of positive squares in only one way, i.e., 42497361 + 12680721 = 6519^2 + 3561^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1532707 + ... + 1532742.

Almost surely, 2^55178082 is an apocalyptic number.

55178082 is an abundant number, since it is smaller than the sum of its proper divisors (64374468).

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

55178082 is a wasteful number, since it uses less digits than its factorization.

55178082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065457 (or 3065454 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 55178082 is about 7428.1950701365. The cubic root of 55178082 is about 380.7052507792.

The spelling of 55178082 in words is "fifty-five million, one hundred seventy-eight thousand, eighty-two".