54315979 has 8 divisors (see below), whose sum is σ = 54896400. Its totient is φ = 53738496.

The previous prime is 54315971. The next prime is 54315983. The reversal of 54315979 is 97951345.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54315979 - 2³ = 54315971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54315971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61072 + ... + 61954.

It is an arithmetic number, because the mean of its divisors is an integer number (6862050).

Almost surely, 2^54315979 is an apocalyptic number.

54315979 is a deficient number, since it is larger than the sum of its proper divisors (580421).

54315979 is a wasteful number, since it uses less digits than its factorization.

54315979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469.

The product of its digits is 170100, while the sum is 43.

The square root of 54315979 is about 7369.9375166958. The cubic root of 54315979 is about 378.7121197870.

The spelling of 54315979 in words is "fifty-four million, three hundred fifteen thousand, nine hundred seventy-nine".