54972479 has 4 divisors (see below), whose sum is σ = 54998376. Its totient is φ = 54946584.

The previous prime is 54972457. The next prime is 54972481. The reversal of 54972479 is 97427945.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54972479 - 2⁸ = 54972223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54972419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9449 + ... + 14114.

It is an arithmetic number, because the mean of its divisors is an integer number (13749594).

Almost surely, 2^54972479 is an apocalyptic number.

54972479 is a deficient number, since it is larger than the sum of its proper divisors (25897).

54972479 is a wasteful number, since it uses less digits than its factorization.

54972479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25896.

The product of its digits is 635040, while the sum is 47.

The square root of 54972479 is about 7414.3427894858. The cubic root of 54972479 is about 380.2318045511.

The spelling of 54972479 in words is "fifty-four million, nine hundred seventy-two thousand, four hundred seventy-nine".