49889179 has 2 divisors, whose sum is σ = 49889180. Its totient is φ = 49889178.

The previous prime is 49889173. The next prime is 49889207. The reversal of 49889179 is 97198894.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49889179 - 2³ = 49889171 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49889171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24944589 + 24944590.

It is an arithmetic number, because the mean of its divisors is an integer number (24944590).

Almost surely, 2^49889179 is an apocalyptic number.

49889179 is a deficient number, since it is larger than the sum of its proper divisors (1).

49889179 is an equidigital number, since it uses as much as digits as its factorization.

49889179 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 55.

The square root of 49889179 is about 7063.2272368939. The cubic root of 49889179 is about 368.1307698255.

The spelling of 49889179 in words is "forty-nine million, eight hundred eighty-nine thousand, one hundred seventy-nine".