54929879 has 4 divisors (see below), whose sum is σ = 54980520. Its totient is φ = 54879240.

The previous prime is 54929869. The next prime is 54929899. The reversal of 54929879 is 97892945.

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 54929879 - 2⁴ = 54929863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54929879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54929869) 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, 23657 + ... + 25874.

It is an arithmetic number, because the mean of its divisors is an integer number (13745130).

Almost surely, 2^54929879 is an apocalyptic number.

54929879 is a deficient number, since it is larger than the sum of its proper divisors (50641).

54929879 is a wasteful number, since it uses less digits than its factorization.

54929879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50640.

The product of its digits is 1632960, while the sum is 53.

The square root of 54929879 is about 7411.4694224560. The cubic root of 54929879 is about 380.1335610842.

The spelling of 54929879 in words is "fifty-four million, nine hundred twenty-nine thousand, eight hundred seventy-nine".