50645998 has 8 divisors (see below), whose sum is σ = 81812808. Its totient is φ = 23375064.

The previous prime is 50645981. The next prime is 50646017. The reversal of 50645998 is 89954605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×50645998² = 5130034226832008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 973936 + ... + 973987.

It is an arithmetic number, because the mean of its divisors is an integer number (10226601).

Almost surely, 2^50645998 is an apocalyptic number.

50645998 is a deficient number, since it is larger than the sum of its proper divisors (31166810).

50645998 is a wasteful number, since it uses less digits than its factorization.

50645998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947938.

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 50645998 is about 7116.6001714302. The cubic root of 50645998 is about 369.9829502735.

The spelling of 50645998 in words is "fifty million, six hundred forty-five thousand, nine hundred ninety-eight".