54223515 has 12 divisors (see below), whose sum is σ = 93987504. Its totient is φ = 28919184.

The previous prime is 54223493. The next prime is 54223529. The reversal of 54223515 is 51532245.

It is a happy number.

It is not a de Polignac number, because 54223515 - 2¹⁶ = 54157979 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 602439 + ... + 602528.

It is an arithmetic number, because the mean of its divisors is an integer number (7832292).

Almost surely, 2^54223515 is an apocalyptic number.

54223515 is a deficient number, since it is larger than the sum of its proper divisors (39763989).

54223515 is a wasteful number, since it uses less digits than its factorization.

54223515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204978 (or 1204975 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 54223515 is about 7363.6617928854. The cubic root of 54223515 is about 378.4970994114.

The spelling of 54223515 in words is "fifty-four million, two hundred twenty-three thousand, five hundred fifteen".