49156065 has 60 divisors (see below), whose sum is σ = 102544596. Its totient is φ = 22462272.

The previous prime is 49156043. The next prime is 49156067. The reversal of 49156065 is 56065194.

49156065 is a `hidden beast` number, since 4 + 91 + 560 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21150801 + 28005264 = 4599^2 + 5292^2 .

It is not a de Polignac number, because 49156065 - 2⁵ = 49156033 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49156067) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 18607 + ... + 21083.

Almost surely, 2^49156065 is an apocalyptic number.

49156065 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49156065 is an abundant number, since it is smaller than the sum of its proper divisors (53388531).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49156065 is a wasteful number, since it uses less digits than its factorization.

49156065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508 (or 2492 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 49156065 is about 7011.1386379104. The cubic root of 49156065 is about 366.3186555666.

The spelling of 49156065 in words is "forty-nine million, one hundred fifty-six thousand, sixty-five".