54212915 has 16 divisors (see below), whose sum is σ = 69167520. Its totient is φ = 40650240.

The previous prime is 54212903. The next prime is 54212927. The reversal of 54212915 is 51921245.

It is an interprime number because it is at equal distance from previous prime (54212903) and next prime (54212927).

It is not a de Polignac number, because 54212915 - 2¹⁰ = 54211891 is a prime.

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, 21680 + ... + 24050.

It is an arithmetic number, because the mean of its divisors is an integer number (4322970).

Almost surely, 2^54212915 is an apocalyptic number.

54212915 is a deficient number, since it is larger than the sum of its proper divisors (14954605).

54212915 is a wasteful number, since it uses less digits than its factorization.

54212915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662.

The product of its digits is 3600, while the sum is 29.

The square root of 54212915 is about 7362.9420071056. The cubic root of 54212915 is about 378.4724340319.

The spelling of 54212915 in words is "fifty-four million, two hundred twelve thousand, nine hundred fifteen".