54316515 has 16 divisors (see below), whose sum is σ = 94807296. Its totient is φ = 26335200.

The previous prime is 54316511. The next prime is 54316523. The reversal of 54316515 is 51561345.

It is not a de Polignac number, because 54316515 - 2² = 54316511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54316511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164431 + ... + 164760.

It is an arithmetic number, because the mean of its divisors is an integer number (5925456).

Almost surely, 2^54316515 is an apocalyptic number.

54316515 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

54316515 is a deficient number, since it is larger than the sum of its proper divisors (40490781).

54316515 is a wasteful number, since it uses less digits than its factorization.

54316515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329210.

The product of its digits is 9000, while the sum is 30.

The square root of 54316515 is about 7369.9738805507. The cubic root of 54316515 is about 378.7133655163.

The spelling of 54316515 in words is "fifty-four million, three hundred sixteen thousand, five hundred fifteen".