50147391 has 8 divisors (see below), whose sum is σ = 76415104. Its totient is φ = 28655640.

The previous prime is 50147359. The next prime is 50147407. The reversal of 50147391 is 19374105.

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

It is not a de Polignac number, because 50147391 - 2⁵ = 50147359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50147311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1193965 + ... + 1194006.

It is an arithmetic number, because the mean of its divisors is an integer number (9551888).

Almost surely, 2^50147391 is an apocalyptic number.

50147391 is a deficient number, since it is larger than the sum of its proper divisors (26267713).

50147391 is a wasteful number, since it uses less digits than its factorization.

50147391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387981.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 50147391 is about 7081.4822600922. The cubic root of 50147391 is about 368.7647901374.

The spelling of 50147391 in words is "fifty million, one hundred forty-seven thousand, three hundred ninety-one".