55415882 has 16 divisors (see below), whose sum is σ = 84186432. Its totient is φ = 27356160.

The previous prime is 55415881. The next prime is 55415909. The reversal of 55415882 is 28851455.

It is not an unprimeable number, because it can be changed into a prime (55415881) 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, 66923 + ... + 67745.

It is an arithmetic number, because the mean of its divisors is an integer number (5261652).

Almost surely, 2^55415882 is an apocalyptic number.

55415882 is a deficient number, since it is larger than the sum of its proper divisors (28770550).

55415882 is a wasteful number, since it uses less digits than its factorization.

55415882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213.

The product of its digits is 64000, while the sum is 38.

The square root of 55415882 is about 7444.1844415624. The cubic root of 55415882 is about 381.2513732101.

The spelling of 55415882 in words is "fifty-five million, four hundred fifteen thousand, eight hundred eighty-two".