54992015 has 16 divisors (see below), whose sum is σ = 71705088. Its totient is φ = 40244736.

The previous prime is 54991999. The next prime is 54992039. The reversal of 54992015 is 51029945.

It is a cyclic number.

It is not a de Polignac number, because 54992015 - 2⁴ = 54991999 is a prime.

It is a congruent number.

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, 3602 + ... + 11088.

It is an arithmetic number, because the mean of its divisors is an integer number (4481568).

Almost surely, 2^54992015 is an apocalyptic number.

54992015 is a deficient number, since it is larger than the sum of its proper divisors (16713073).

54992015 is a wasteful number, since it uses less digits than its factorization.

54992015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7618.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 54992015 is about 7415.6601189645. The cubic root of 54992015 is about 380.2768412003.

The spelling of 54992015 in words is "fifty-four million, nine hundred ninety-two thousand, fifteen".