55353555 has 48 divisors (see below), whose sum is σ = 102155040. Its totient is φ = 27648000.

The previous prime is 55353541. The next prime is 55353563. The reversal of 55353555 is 55535355.

55353555 is a `hidden beast` number, since 5 + 53 + 53 + 555 = 666.

It is not a de Polignac number, because 55353555 - 2⁸ = 55353299 is a prime.

It is a super-2 number, since 2×55353555² = 6128032102276050, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86035 + ... + 86675.

It is an arithmetic number, because the mean of its divisors is an integer number (2128230).

Almost surely, 2^55353555 is an apocalyptic number.

55353555 is a deficient number, since it is larger than the sum of its proper divisors (46801485).

55353555 is a wasteful number, since it uses less digits than its factorization.

55353555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 769 counting only the distinct ones).

The product of its digits is 140625, while the sum is 36.

The square root of 55353555 is about 7439.9969758058. The cubic root of 55353555 is about 381.1083867134.

The spelling of 55353555 in words is "fifty-five million, three hundred fifty-three thousand, five hundred fifty-five".