50831477 has 4 divisors (see below), whose sum is σ = 50846796. Its totient is φ = 50816160.

The previous prime is 50831471. The next prime is 50831489. The reversal of 50831477 is 77413805.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46362481 + 4468996 = 6809^2 + 2114^2 .

It is a cyclic number.

It is not a de Polignac number, because 50831477 - 2²⁴ = 34054261 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 (50831471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368 + ... + 10089.

It is an arithmetic number, because the mean of its divisors is an integer number (12711699).

Almost surely, 2^50831477 is an apocalyptic number.

It is an amenable number.

50831477 is a deficient number, since it is larger than the sum of its proper divisors (15319).

50831477 is a wasteful number, since it uses less digits than its factorization.

50831477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15318.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 50831477 is about 7129.6196953274. The cubic root of 50831477 is about 370.4340584046.

The spelling of 50831477 in words is "fifty million, eight hundred thirty-one thousand, four hundred seventy-seven".