55555464 has 16 divisors (see below), whose sum is σ = 138888720. Its totient is φ = 18518480.

The previous prime is 55555459. The next prime is 55555481. The reversal of 55555464 is 46455555.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1157382 + ... + 1157429.

It is an arithmetic number, because the mean of its divisors is an integer number (8680545).

Almost surely, 2^55555464 is an apocalyptic number.

It is an amenable number.

55555464 is an abundant number, since it is smaller than the sum of its proper divisors (83333256).

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

55555464 is a wasteful number, since it uses less digits than its factorization.

55555464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314820 (or 2314816 counting only the distinct ones).

The product of its digits is 300000, while the sum is 39.

The square root of 55555464 is about 7453.5537832634. The cubic root of 55555464 is about 381.5712045744.

Subtracting from 55555464 its reverse (46455555), we obtain a palindrome (9099909).

The spelling of 55555464 in words is "fifty-five million, five hundred fifty-five thousand, four hundred sixty-four".