49929631 has 2 divisors, whose sum is σ = 49929632. Its totient is φ = 49929630.

The previous prime is 49929617. The next prime is 49929643. The reversal of 49929631 is 13692994.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49929631 is a prime.

It is a super-2 number, since 2×49929631² = 4985936103592322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49929601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24964815 + 24964816.

It is an arithmetic number, because the mean of its divisors is an integer number (24964816).

Almost surely, 2^49929631 is an apocalyptic number.

49929631 is a deficient number, since it is larger than the sum of its proper divisors (1).

49929631 is an equidigital number, since it uses as much as digits as its factorization.

49929631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 43.

The square root of 49929631 is about 7066.0902201996. The cubic root of 49929631 is about 368.2302409808.

The spelling of 49929631 in words is "forty-nine million, nine hundred twenty-nine thousand, six hundred thirty-one".