50987998 has 16 divisors (see below), whose sum is σ = 83171664. Its totient is φ = 23345280.

The previous prime is 50987957. The next prime is 50988017. The reversal of 50987998 is 89978905.

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, 19008 + ... + 21523.

It is an arithmetic number, because the mean of its divisors is an integer number (5198229).

Almost surely, 2^50987998 is an apocalyptic number.

50987998 is a deficient number, since it is larger than the sum of its proper divisors (32183666).

50987998 is a wasteful number, since it uses less digits than its factorization.

50987998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40587.

The product of its (nonzero) digits is 1632960, while the sum is 55.

The square root of 50987998 is about 7140.5880710205. The cubic root of 50987998 is about 370.8138840730.

The spelling of 50987998 in words is "fifty million, nine hundred eighty-seven thousand, nine hundred ninety-eight".