53390850 has 24 divisors (see below), whose sum is σ = 132409680. Its totient is φ = 14237520.

The previous prime is 53390819. The next prime is 53390879. The reversal of 53390850 is 5809335.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177820 + ... + 178119.

It is an arithmetic number, because the mean of its divisors is an integer number (5517070).

Almost surely, 2^53390850 is an apocalyptic number.

53390850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53390850 is an abundant number, since it is smaller than the sum of its proper divisors (79018830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53390850 is a wasteful number, since it uses less digits than its factorization.

53390850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355954 (or 355949 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 53390850 is about 7306.9042692511. The cubic root of 53390850 is about 376.5496760783.

The spelling of 53390850 in words is "fifty-three million, three hundred ninety thousand, eight hundred fifty".