49315965 has 16 divisors (see below), whose sum is σ = 79012800. Its totient is φ = 26266112.

The previous prime is 49315957. The next prime is 49315991. The reversal of 49315965 is 56951394.

It is a cyclic number.

It is not a de Polignac number, because 49315965 - 2³ = 49315957 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12166 + ... + 15704.

It is an arithmetic number, because the mean of its divisors is an integer number (4938300).

Almost surely, 2^49315965 is an apocalyptic number.

It is an amenable number.

49315965 is a deficient number, since it is larger than the sum of its proper divisors (29696835).

49315965 is a wasteful number, since it uses less digits than its factorization.

49315965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4476.

The product of its digits is 145800, while the sum is 42.

The square root of 49315965 is about 7022.5326627934. The cubic root of 49315965 is about 366.7154255636.

The spelling of 49315965 in words is "forty-nine million, three hundred fifteen thousand, nine hundred sixty-five".