54599990 has 16 divisors (see below), whose sum is σ = 101450880. Its totient is φ = 21135360.

The previous prime is 54599983. The next prime is 54600019. The reversal of 54599990 is 9999545.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87755 + ... + 88374.

It is an arithmetic number, because the mean of its divisors is an integer number (6340680).

Almost surely, 2^54599990 is an apocalyptic number.

54599990 is a deficient number, since it is larger than the sum of its proper divisors (46850890).

54599990 is a wasteful number, since it uses less digits than its factorization.

54599990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176167.

The product of its (nonzero) digits is 656100, while the sum is 50.

The square root of 54599990 is about 7389.1806040995. The cubic root of 54599990 is about 379.3710509954.

The spelling of 54599990 in words is "fifty-four million, five hundred ninety-nine thousand, nine hundred ninety".