55115160 has 32 divisors (see below), whose sum is σ = 165345840. Its totient is φ = 14697344.

The previous prime is 55115149. The next prime is 55115183. The reversal of 55115160 is 6151155.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 55115160.

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, 229527 + ... + 229766.

Almost surely, 2^55115160 is an apocalyptic number.

It is an amenable number.

55115160 is an abundant number, since it is smaller than the sum of its proper divisors (110230680).

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

55115160 is a wasteful number, since it uses less digits than its factorization.

55115160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459307 (or 459303 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 55115160 is about 7423.9585128151. The cubic root of 55115160 is about 380.5604840757.

The spelling of 55115160 in words is "fifty-five million, one hundred fifteen thousand, one hundred sixty".