54715215 has 16 divisors (see below), whose sum is σ = 88852608. Its totient is φ = 28745376.

The previous prime is 54715211. The next prime is 54715223. The reversal of 54715215 is 51251745.

It is not a de Polignac number, because 54715215 - 2² = 54715211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54715211) 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, 26217 + ... + 28226.

It is an arithmetic number, because the mean of its divisors is an integer number (5553288).

Almost surely, 2^54715215 is an apocalyptic number.

54715215 is a deficient number, since it is larger than the sum of its proper divisors (34137393).

54715215 is a wasteful number, since it uses less digits than its factorization.

54715215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54518.

The product of its digits is 7000, while the sum is 30.

The square root of 54715215 is about 7396.9733675335. The cubic root of 54715215 is about 379.6377318467.

The spelling of 54715215 in words is "fifty-four million, seven hundred fifteen thousand, two hundred fifteen".