49977959 has 2 divisors, whose sum is σ = 49977960. Its totient is φ = 49977958.

The previous prime is 49977953. The next prime is 49978001. The reversal of 49977959 is 95977994.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49977959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49977898 and 49977907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49977953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24988979 + 24988980.

It is an arithmetic number, because the mean of its divisors is an integer number (24988980).

Almost surely, 2^49977959 is an apocalyptic number.

49977959 is a deficient number, since it is larger than the sum of its proper divisors (1).

49977959 is an equidigital number, since it uses as much as digits as its factorization.

49977959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6429780, while the sum is 59.

The square root of 49977959 is about 7069.5091060129. The cubic root of 49977959 is about 368.3490087489.

The spelling of 49977959 in words is "forty-nine million, nine hundred seventy-seven thousand, nine hundred fifty-nine".