55409882 has 16 divisors (see below), whose sum is σ = 90834912. Its totient is φ = 25140720.

The previous prime is 55409873. The next prime is 55409933. The reversal of 55409882 is 28890455.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12188 + ... + 16104.

It is an arithmetic number, because the mean of its divisors is an integer number (5677182).

Almost surely, 2^55409882 is an apocalyptic number.

55409882 is a deficient number, since it is larger than the sum of its proper divisors (35425030).

55409882 is a wasteful number, since it uses less digits than its factorization.

55409882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4573.

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 55409882 is about 7443.7814315037. The cubic root of 55409882 is about 381.2376130706.

The spelling of 55409882 in words is "fifty-five million, four hundred nine thousand, eight hundred eighty-two".