54055515 has 24 divisors (see below), whose sum is σ = 88592400. Its totient is φ = 28144704.

The previous prime is 54055459. The next prime is 54055523. The reversal of 54055515 is 51555045.

It is not a de Polignac number, because 54055515 - 2⁹ = 54055003 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26761 + ... + 28709.

It is an arithmetic number, because the mean of its divisors is an integer number (3691350).

Almost surely, 2^54055515 is an apocalyptic number.

54055515 is a deficient number, since it is larger than the sum of its proper divisors (34536885).

54055515 is a wasteful number, since it uses less digits than its factorization.

54055515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043 (or 2000 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 30.

The square root of 54055515 is about 7352.2455753327. The cubic root of 54055515 is about 378.1057974903.

The spelling of 54055515 in words is "fifty-four million, fifty-five thousand, five hundred fifteen".