54263515 has 16 divisors (see below), whose sum is σ = 66124800. Its totient is φ = 42744672.

The previous prime is 54263483. The next prime is 54263527. The reversal of 54263515 is 51536245.

It is a cyclic number.

It is not a de Polignac number, because 54263515 - 2⁵ = 54263483 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, 113046 + ... + 113524.

It is an arithmetic number, because the mean of its divisors is an integer number (4132800).

Almost surely, 2^54263515 is an apocalyptic number.

54263515 is a deficient number, since it is larger than the sum of its proper divisors (11861285).

54263515 is a wasteful number, since it uses less digits than its factorization.

54263515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786.

The product of its digits is 18000, while the sum is 31.

The square root of 54263515 is about 7366.3773321762. The cubic root of 54263515 is about 378.5901473733.

The spelling of 54263515 in words is "fifty-four million, two hundred sixty-three thousand, five hundred fifteen".