53768990 has 32 divisors (see below), whose sum is σ = 106251264. Its totient is φ = 19428640.

The previous prime is 53768989. The next prime is 53769007. The reversal of 53768990 is 9986735.

It is a super-2 number, since 2×53768990² = 5782208571240200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16907 + ... + 19833.

It is an arithmetic number, because the mean of its divisors is an integer number (3320352).

Almost surely, 2^53768990 is an apocalyptic number.

53768990 is a deficient number, since it is larger than the sum of its proper divisors (52482274).

53768990 is a wasteful number, since it uses less digits than its factorization.

53768990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112.

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

The square root of 53768990 is about 7332.7341421873. The cubic root of 53768990 is about 377.4365549853.

The spelling of 53768990 in words is "fifty-three million, seven hundred sixty-eight thousand, nine hundred ninety".