54515415 has 16 divisors (see below), whose sum is σ = 87330528. Its totient is φ = 29039616.

The previous prime is 54515401. The next prime is 54515423. The reversal of 54515415 is 51451545.

It is not a de Polignac number, because 54515415 - 2¹¹ = 54513367 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14799 + ... + 18111.

It is an arithmetic number, because the mean of its divisors is an integer number (5458158).

Almost surely, 2^54515415 is an apocalyptic number.

54515415 is a deficient number, since it is larger than the sum of its proper divisors (32815113).

54515415 is a wasteful number, since it uses less digits than its factorization.

54515415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4418.

The product of its digits is 10000, while the sum is 30.

The square root of 54515415 is about 7383.4554918412. The cubic root of 54515415 is about 379.1750687400.

The spelling of 54515415 in words is "fifty-four million, five hundred fifteen thousand, four hundred fifteen".