50731253 has 8 divisors (see below), whose sum is σ = 51267840. Its totient is φ = 50197680.

The previous prime is 50731249. The next prime is 50731259. The reversal of 50731253 is 35213705.

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 50731253 - 2² = 50731249 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 (50731259) 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, 48308 + ... + 49346.

It is an arithmetic number, because the mean of its divisors is an integer number (6408480).

Almost surely, 2^50731253 is an apocalyptic number.

It is an amenable number.

50731253 is a deficient number, since it is larger than the sum of its proper divisors (536587).

50731253 is a wasteful number, since it uses less digits than its factorization.

50731253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 50731253 is about 7122.5875213998. The cubic root of 50731253 is about 370.1904376364.

Adding to 50731253 its reverse (35213705), we get a palindrome (85944958).

The spelling of 50731253 in words is "fifty million, seven hundred thirty-one thousand, two hundred fifty-three".