54320715 has 24 divisors (see below), whose sum is σ = 99113040. Its totient is φ = 27445824.

The previous prime is 54320689. The next prime is 54320737. The reversal of 54320715 is 51702345.

It is a happy number.

It is not a de Polignac number, because 54320715 - 2¹⁰ = 54319691 is a prime.

It is a super-2 number, since 2×54320715² = 5901480156222450, which contains 22 as substring.

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, 30912 + ... + 32621.

It is an arithmetic number, because the mean of its divisors is an integer number (4129710).

Almost surely, 2^54320715 is an apocalyptic number.

54320715 is a deficient number, since it is larger than the sum of its proper divisors (44792325).

54320715 is a wasteful number, since it uses less digits than its factorization.

54320715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63563 (or 63560 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 54320715 is about 7370.2588149942. The cubic root of 54320715 is about 378.7231265448.

The spelling of 54320715 in words is "fifty-four million, three hundred twenty thousand, seven hundred fifteen".