54973918 has 4 divisors (see below), whose sum is σ = 82460880. Its totient is φ = 27486958.

The previous prime is 54973913. The next prime is 54973939. The reversal of 54973918 is 81937945.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54973913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13743478 + ... + 13743481.

It is an arithmetic number, because the mean of its divisors is an integer number (20615220).

Almost surely, 2^54973918 is an apocalyptic number.

54973918 is a deficient number, since it is larger than the sum of its proper divisors (27486962).

54973918 is a wasteful number, since it uses less digits than its factorization.

54973918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27486961.

The product of its digits is 272160, while the sum is 46.

The square root of 54973918 is about 7414.4398304929. The cubic root of 54973918 is about 380.2351222645.

The spelling of 54973918 in words is "fifty-four million, nine hundred seventy-three thousand, nine hundred eighteen".