49122865 has 32 divisors (see below), whose sum is σ = 66977280. Its totient is φ = 34272000.

The previous prime is 49122851. The next prime is 49122919. The reversal of 49122865 is 56822194.

It is not a de Polignac number, because 49122865 - 2¹¹ = 49120817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205416 + ... + 205654.

It is an arithmetic number, because the mean of its divisors is an integer number (2093040).

Almost surely, 2^49122865 is an apocalyptic number.

It is an amenable number.

49122865 is a deficient number, since it is larger than the sum of its proper divisors (17854415).

49122865 is a wasteful number, since it uses less digits than its factorization.

49122865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393.

The product of its digits is 34560, while the sum is 37.

The square root of 49122865 is about 7008.7705769272. The cubic root of 49122865 is about 366.2361664684.

It can be divided in two parts, 4912 and 2865, that added together give a palindrome (7777).

The spelling of 49122865 in words is "forty-nine million, one hundred twenty-two thousand, eight hundred sixty-five".