49925831 has 4 divisors (see below), whose sum is σ = 49987464. Its totient is φ = 49864200.

The previous prime is 49925807. The next prime is 49925861. The reversal of 49925831 is 13852994.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49925831 is a prime.

It is a super-3 number, since 3×49925831³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49925861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29585 + ... + 31226.

It is an arithmetic number, because the mean of its divisors is an integer number (12496866).

Almost surely, 2^49925831 is an apocalyptic number.

49925831 is a deficient number, since it is larger than the sum of its proper divisors (61633).

49925831 is an equidigital number, since it uses as much as digits as its factorization.

49925831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61632.

The product of its digits is 77760, while the sum is 41.

The square root of 49925831 is about 7065.8213252247. The cubic root of 49925831 is about 368.2208990971.

The spelling of 49925831 in words is "forty-nine million, nine hundred twenty-five thousand, eight hundred thirty-one".