50912820 has 96 divisors (see below), whose sum is σ = 181036800. Its totient is φ = 11636352.

The previous prime is 50912803. The next prime is 50912833. The reversal of 50912820 is 2821905.

It is a super-3 number, since 3×50912820³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2955 + ... + 10514.

It is an arithmetic number, because the mean of its divisors is an integer number (1885800).

Almost surely, 2^50912820 is an apocalyptic number.

It is an amenable number.

50912820 is an abundant number, since it is smaller than the sum of its proper divisors (130123980).

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

50912820 is a wasteful number, since it uses less digits than its factorization.

50912820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13494 (or 13486 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 50912820 is about 7135.3219969389. The cubic root of 50912820 is about 370.6315486256.

The spelling of 50912820 in words is "fifty million, nine hundred twelve thousand, eight hundred twenty".