54057555 has 24 divisors (see below), whose sum is σ = 96235152. Its totient is φ = 28050624.

The previous prime is 54057551. The next prime is 54057589. The reversal of 54057555 is 55575045.

It is a happy number.

54057555 is a `hidden beast` number, since 54 + 0 + 57 + 555 = 666.

It is not a de Polignac number, because 54057555 - 2² = 54057551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54057551) 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, 14569 + ... + 17898.

It is an arithmetic number, because the mean of its divisors is an integer number (4009798).

Almost surely, 2^54057555 is an apocalyptic number.

54057555 is a deficient number, since it is larger than the sum of its proper divisors (42177597).

54057555 is a wasteful number, since it uses less digits than its factorization.

54057555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32515 (or 32512 counting only the distinct ones).

The product of its (nonzero) digits is 87500, while the sum is 36.

The square root of 54057555 is about 7352.3843071483. The cubic root of 54057555 is about 378.1105538729.

The spelling of 54057555 in words is "fifty-four million, fifty-seven thousand, five hundred fifty-five".