54123015 has 16 divisors (see below), whose sum is σ = 86721408. Its totient is φ = 28824096.

The previous prime is 54123007. The next prime is 54123023. The reversal of 54123015 is 51032145.

It is an interprime number because it is at equal distance from previous prime (54123007) and next prime (54123023).

It is not a de Polignac number, because 54123015 - 2³ = 54123007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54122982 and 54123000.

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, 10224 + ... + 14586.

It is an arithmetic number, because the mean of its divisors is an integer number (5420088).

Almost surely, 2^54123015 is an apocalyptic number.

54123015 is a deficient number, since it is larger than the sum of its proper divisors (32598393).

54123015 is a wasteful number, since it uses less digits than its factorization.

54123015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5198.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 54123015 is about 7356.8345774525. The cubic root of 54123015 is about 378.2631143117.

The spelling of 54123015 in words is "fifty-four million, one hundred twenty-three thousand, fifteen".