50457131 has 4 divisors (see below), whose sum is σ = 50778672. Its totient is φ = 50135592.

The previous prime is 50457109. The next prime is 50457133. The reversal of 50457131 is 13175405.

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

It is a cyclic number.

It is not a de Polignac number, because 50457131 - 2¹⁸ = 50194987 is a prime.

It is a super-2 number, since 2×50457131² = 5091844137502322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50457131.

It is not an unprimeable number, because it can be changed into a prime (50457133) 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, 160535 + ... + 160848.

It is an arithmetic number, because the mean of its divisors is an integer number (12694668).

Almost surely, 2^50457131 is an apocalyptic number.

50457131 is a deficient number, since it is larger than the sum of its proper divisors (321541).

50457131 is a wasteful number, since it uses less digits than its factorization.

50457131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321540.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 50457131 is about 7103.3183090722. The cubic root of 50457131 is about 369.5224689287.

The spelling of 50457131 in words is "fifty million, four hundred fifty-seven thousand, one hundred thirty-one".