54445155 has 16 divisors (see below), whose sum is σ = 87429024. Its totient is φ = 28931840.

The previous prime is 54445147. The next prime is 54445199. The reversal of 54445155 is 55154445.

It is not a de Polignac number, because 54445155 - 2³ = 54445147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2244 + ... + 10673.

It is an arithmetic number, because the mean of its divisors is an integer number (5464314).

Almost surely, 2^54445155 is an apocalyptic number.

54445155 is a deficient number, since it is larger than the sum of its proper divisors (32983869).

54445155 is a wasteful number, since it uses less digits than its factorization.

54445155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13206.

The product of its digits is 40000, while the sum is 33.

The square root of 54445155 is about 7378.6960230111. The cubic root of 54445155 is about 379.0121038641.

The spelling of 54445155 in words is "fifty-four million, four hundred forty-five thousand, one hundred fifty-five".