50304990 has 16 divisors (see below), whose sum is σ = 120732048. Its totient is φ = 13414656.

The previous prime is 50304983. The next prime is 50305019. The reversal of 50304990 is 9940305.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1676833 = 50304990 / (5 + 0 + 3 + 0 + 4 + 9 + 9 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838387 + ... + 838446.

It is an arithmetic number, because the mean of its divisors is an integer number (7545753).

Almost surely, 2^50304990 is an apocalyptic number.

50304990 is an abundant number, since it is smaller than the sum of its proper divisors (70427058).

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

50304990 is a wasteful number, since it uses less digits than its factorization.

50304990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676843.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 50304990 is about 7092.6010743591. The cubic root of 50304990 is about 369.1506938064.

The spelling of 50304990 in words is "fifty million, three hundred four thousand, nine hundred ninety".