54551115 has 24 divisors (see below), whose sum is σ = 96864768. Its totient is φ = 28383360.

The previous prime is 54551111. The next prime is 54551129. The reversal of 54551115 is 51115545.

54551115 is a `hidden beast` number, since 545 + 5 + 1 + 115 = 666.

It is not a de Polignac number, because 54551115 - 2² = 54551111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54551111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12939 + ... + 16628.

It is an arithmetic number, because the mean of its divisors is an integer number (4036032).

Almost surely, 2^54551115 is an apocalyptic number.

54551115 is a deficient number, since it is larger than the sum of its proper divisors (42313653).

54551115 is a wasteful number, since it uses less digits than its factorization.

54551115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29619 (or 29616 counting only the distinct ones).

The product of its digits is 2500, while the sum is 27.

The square root of 54551115 is about 7385.8726634027. The cubic root of 54551115 is about 379.2578196230.

The spelling of 54551115 in words is "fifty-four million, five hundred fifty-one thousand, one hundred fifteen".