53399850 has 48 divisors (see below), whose sum is σ = 151353408. Its totient is φ = 12205440.

The previous prime is 53399837. The next prime is 53399867. The reversal of 53399850 is 5899335.

53399850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 24379 + ... + 26478.

It is an arithmetic number, because the mean of its divisors is an integer number (3153196).

Almost surely, 2^53399850 is an apocalyptic number.

53399850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53399850 is an abundant number, since it is smaller than the sum of its proper divisors (97953558).

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

53399850 is a wasteful number, since it uses less digits than its factorization.

53399850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50879 (or 50874 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 53399850 is about 7307.5200991855. The cubic root of 53399850 is about 376.5708329911.

The spelling of 53399850 in words is "fifty-three million, three hundred ninety-nine thousand, eight hundred fifty".