49651731 has 16 divisors (see below), whose sum is σ = 77430400. Its totient is φ = 31358664.

The previous prime is 49651727. The next prime is 49651783. The reversal of 49651731 is 13715694.

It is not a de Polignac number, because 49651731 - 2² = 49651727 is a prime.

It is a super-2 number, since 2×49651731² = 4930588782592722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49651331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47881 + ... + 48906.

It is an arithmetic number, because the mean of its divisors is an integer number (4839400).

Almost surely, 2^49651731 is an apocalyptic number.

49651731 is a deficient number, since it is larger than the sum of its proper divisors (27778669).

49651731 is a wasteful number, since it uses less digits than its factorization.

49651731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96815 (or 96809 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 49651731 is about 7046.3984417573. The cubic root of 49651731 is about 367.5458002060.

The spelling of 49651731 in words is "forty-nine million, six hundred fifty-one thousand, seven hundred thirty-one".