50697031 has 8 divisors (see below), whose sum is σ = 63206784. Its totient is φ = 39504120.

The previous prime is 50697007. The next prime is 50697071. The reversal of 50697031 is 13079605.

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

It is a cyclic number.

It is not a de Polignac number, because 50697031 - 2⁵ = 50696999 is a prime.

It is a super-2 number, since 2×50697031² = 5140377904429922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50696984 and 50697002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50697071) 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, 329125 + ... + 329278.

It is an arithmetic number, because the mean of its divisors is an integer number (7900848).

Almost surely, 2^50697031 is an apocalyptic number.

50697031 is a deficient number, since it is larger than the sum of its proper divisors (12509753).

50697031 is a wasteful number, since it uses less digits than its factorization.

50697031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658421.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 50697031 is about 7120.1847588388. The cubic root of 50697031 is about 370.1071785925.

It can be divided in two parts, 5069 and 7031, that added together give a square (12100 = 110²).

The spelling of 50697031 in words is "fifty million, six hundred ninety-seven thousand, thirty-one".