55232086 has 16 divisors (see below), whose sum is σ = 101967264. Its totient is φ = 21849984.

The previous prime is 55232071. The next prime is 55232113. The reversal of 55232086 is 68023255.

55232086 = 1005² + 1006² + ... + 1056².

It is a happy number.

55232086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55232086² = 6101166647822792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151555 + ... + 151918.

It is an arithmetic number, because the mean of its divisors is an integer number (6372954).

Almost surely, 2^55232086 is an apocalyptic number.

55232086 is a deficient number, since it is larger than the sum of its proper divisors (46735178).

55232086 is a wasteful number, since it uses less digits than its factorization.

55232086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303495.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 55232086 is about 7431.8292499223. The cubic root of 55232086 is about 380.8294118101.

The spelling of 55232086 in words is "fifty-five million, two hundred thirty-two thousand, eighty-six".