50699820 has 48 divisors (see below), whose sum is σ = 148135680. Its totient is φ = 12931776.

The previous prime is 50699819. The next prime is 50699851. The reversal of 50699820 is 2899605.

It is a happy 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, 16990 + ... + 19749.

It is an arithmetic number, because the mean of its divisors is an integer number (3086160).

Almost surely, 2^50699820 is an apocalyptic number.

It is an amenable number.

50699820 is an abundant number, since it is smaller than the sum of its proper divisors (97435860).

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

50699820 is a wasteful number, since it uses less digits than its factorization.

50699820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36774 (or 36772 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 50699820 is about 7120.3806078046. The cubic root of 50699820 is about 370.1139653804.

The spelling of 50699820 in words is "fifty million, six hundred ninety-nine thousand, eight hundred twenty".