55432255 has 8 divisors (see below), whose sum is σ = 67005072. Its totient is φ = 44021568.

The previous prime is 55432229. The next prime is 55432283. The reversal of 55432255 is 55223455.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55432255 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 39777 + ... + 41146.

It is an arithmetic number, because the mean of its divisors is an integer number (8375634).

Almost surely, 2^55432255 is an apocalyptic number.

55432255 is a deficient number, since it is larger than the sum of its proper divisors (11572817).

55432255 is a wasteful number, since it uses less digits than its factorization.

55432255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81065.

The product of its digits is 30000, while the sum is 31.

The square root of 55432255 is about 7445.2840778576. The cubic root of 55432255 is about 381.2889172850.

The spelling of 55432255 in words is "fifty-five million, four hundred thirty-two thousand, two hundred fifty-five".