54670979 has 4 divisors (see below), whose sum is σ = 59641080. Its totient is φ = 49700880.

The previous prime is 54670969. The next prime is 54670981. The reversal of 54670979 is 97907645.

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 54670979 - 2⁸ = 54670723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54670919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2485034 + ... + 2485055.

It is an arithmetic number, because the mean of its divisors is an integer number (14910270).

Almost surely, 2^54670979 is an apocalyptic number.

54670979 is a deficient number, since it is larger than the sum of its proper divisors (4970101).

54670979 is a wasteful number, since it uses less digits than its factorization.

54670979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4970100.

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 54670979 is about 7393.9826210237. The cubic root of 54670979 is about 379.5353947880.

The spelling of 54670979 in words is "fifty-four million, six hundred seventy thousand, nine hundred seventy-nine".