49995679 has 2 divisors, whose sum is σ = 49995680. Its totient is φ = 49995678.

The previous prime is 49995637. The next prime is 49995683. The reversal of 49995679 is 97659994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49995679 - 2¹⁹ = 49471391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49995689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24997839 + 24997840.

It is an arithmetic number, because the mean of its divisors is an integer number (24997840).

Almost surely, 2^49995679 is an apocalyptic number.

49995679 is a deficient number, since it is larger than the sum of its proper divisors (1).

49995679 is an equidigital number, since it uses as much as digits as its factorization.

49995679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5511240, while the sum is 58.

The square root of 49995679 is about 7070.7622644238. The cubic root of 49995679 is about 368.3925370916.

The spelling of 49995679 in words is "forty-nine million, nine hundred ninety-five thousand, six hundred seventy-nine".