54593990 has 24 divisors (see below), whose sum is σ = 108017280. Its totient is φ = 19851920.

The previous prime is 54593983. The next prime is 54593993. The reversal of 54593990 is 9939545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54593993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21350 + ... + 23769.

It is an arithmetic number, because the mean of its divisors is an integer number (4500720).

Almost surely, 2^54593990 is an apocalyptic number.

54593990 is a deficient number, since it is larger than the sum of its proper divisors (53423290).

54593990 is a wasteful number, since it uses less digits than its factorization.

54593990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45148 (or 45137 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 44.

The square root of 54593990 is about 7388.7745939364. The cubic root of 54593990 is about 379.3571541083.

It can be divided in two parts, 5459 and 3990, that added together give a palindrome (9449).

The spelling of 54593990 in words is "fifty-four million, five hundred ninety-three thousand, nine hundred ninety".