49590520065 has 24 divisors (see below), whose sum is σ = 86453775720. Its totient is φ = 26295393024.

The previous prime is 49590520037. The next prime is 49590520093. The reversal of 49590520065 is 56002509594.

It is a happy number.

49590520065 is a `hidden beast` number, since 4 + 9 + 590 + 52 + 0 + 0 + 6 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (49590520037) and next prime (49590520093).

It can be written as a sum of positive squares in 4 ways, for example, as 9241361424 + 40349158641 = 96132^2 + 200871^2 .

It is not a de Polignac number, because 49590520065 - 2¹² = 49590515969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 49590520065.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3177220 + ... + 3192789.

It is an arithmetic number, because the mean of its divisors is an integer number (3602240655).

Almost surely, 2^49590520065 is an apocalyptic number.

49590520065 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49590520065 is a deficient number, since it is larger than the sum of its proper divisors (36863255655).

49590520065 is a wasteful number, since it uses less digits than its factorization.

49590520065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6370193 (or 6370190 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The spelling of 49590520065 in words is "forty-nine billion, five hundred ninety million, five hundred twenty thousand, sixty-five".