54972015 has 16 divisors (see below), whose sum is σ = 100520448. Its totient is φ = 25130016.

The previous prime is 54971981. The next prime is 54972059. The reversal of 54972015 is 51027945.

It is not a de Polignac number, because 54972015 - 2⁶ = 54971951 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, 261667 + ... + 261876.

It is an arithmetic number, because the mean of its divisors is an integer number (6282528).

Almost surely, 2^54972015 is an apocalyptic number.

54972015 is a deficient number, since it is larger than the sum of its proper divisors (45548433).

54972015 is a wasteful number, since it uses less digits than its factorization.

54972015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523558.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 54972015 is about 7414.3114987165. The cubic root of 54972015 is about 380.2307347548.

The spelling of 54972015 in words is "fifty-four million, nine hundred seventy-two thousand, fifteen".