54979927 has 4 divisors (see below), whose sum is σ = 55484440. Its totient is φ = 54475416.

The previous prime is 54979889. The next prime is 54979931. The reversal of 54979927 is 72997945.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72997945 = 5 ⋅14599589.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54979927 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 (54979937) 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, 252093 + ... + 252310.

It is an arithmetic number, because the mean of its divisors is an integer number (13871110).

Almost surely, 2^54979927 is an apocalyptic number.

54979927 is a deficient number, since it is larger than the sum of its proper divisors (504513).

54979927 is a wasteful number, since it uses less digits than its factorization.

54979927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504512.

The product of its digits is 1428840, while the sum is 52.

The square root of 54979927 is about 7414.8450422109. The cubic root of 54979927 is about 380.2489758014.

The spelling of 54979927 in words is "fifty-four million, nine hundred seventy-nine thousand, nine hundred twenty-seven".