54562979 has 8 divisors (see below), whose sum is σ = 57857328. Its totient is φ = 51278080.

The previous prime is 54562967. The next prime is 54562997. The reversal of 54562979 is 97926545.

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 54562979 - 2²⁴ = 37785763 is a prime.

It is a Duffinian number.

Its product of digits (680400) is a multiple of the sum of its prime divisors (4725).

It is not an unprimeable number, because it can be changed into a prime (54502979) 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, 12119 + ... + 15999.

It is an arithmetic number, because the mean of its divisors is an integer number (7232166).

Almost surely, 2^54562979 is an apocalyptic number.

54562979 is a deficient number, since it is larger than the sum of its proper divisors (3294349).

54562979 is a wasteful number, since it uses less digits than its factorization.

54562979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4725.

The product of its digits is 680400, while the sum is 47.

The square root of 54562979 is about 7386.6757746635. The cubic root of 54562979 is about 379.2853118115.

The spelling of 54562979 in words is "fifty-four million, five hundred sixty-two thousand, nine hundred seventy-nine".