49775831 has 16 divisors (see below), whose sum is σ = 58132800. Its totient is φ = 41741568.

The previous prime is 49775809. The next prime is 49775833. The reversal of 49775831 is 13857794.

It is a cyclic number.

It is not a de Polignac number, because 49775831 - 2²² = 45581527 is a prime.

It is a super-2 number, since 2×49775831² = 4955266703481122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49775833) 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, 67541 + ... + 68273.

It is an arithmetic number, because the mean of its divisors is an integer number (3633300).

Almost surely, 2^49775831 is an apocalyptic number.

49775831 is a deficient number, since it is larger than the sum of its proper divisors (8356969).

49775831 is a wasteful number, since it uses less digits than its factorization.

49775831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938.

The product of its digits is 211680, while the sum is 44.

The square root of 49775831 is about 7055.1988632497. The cubic root of 49775831 is about 367.8517612416.

The spelling of 49775831 in words is "forty-nine million, seven hundred seventy-five thousand, eight hundred thirty-one".