54974990 has 16 divisors (see below), whose sum is σ = 113091552. Its totient is φ = 18848544.

The previous prime is 54974989. The next prime is 54974993. The reversal of 54974990 is 9947945.

54974990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54974993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392609 + ... + 392748.

It is an arithmetic number, because the mean of its divisors is an integer number (7068222).

Almost surely, 2^54974990 is an apocalyptic number.

54974990 is an abundant number, since it is smaller than the sum of its proper divisors (58116562).

54974990 is a wasteful number, since it uses less digits than its factorization.

54974990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785371.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 54974990 is about 7414.5121215087. The cubic root of 54974990 is about 380.2375937965.

The spelling of 54974990 in words is "fifty-four million, nine hundred seventy-four thousand, nine hundred ninety".