50971398 has 32 divisors (see below), whose sum is σ = 104526720. Its totient is φ = 16564800.

The previous prime is 50971391. The next prime is 50971421. The reversal of 50971398 is 89317905.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50971391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47973 + ... + 49023.

It is an arithmetic number, because the mean of its divisors is an integer number (3266460).

Almost surely, 2^50971398 is an apocalyptic number.

50971398 is an abundant number, since it is smaller than the sum of its proper divisors (53555322).

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

50971398 is a wasteful number, since it uses less digits than its factorization.

50971398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 50971398 is about 7139.4256071480. The cubic root of 50971398 is about 370.7736381403.

The spelling of 50971398 in words is "fifty million, nine hundred seventy-one thousand, three hundred ninety-eight".