49912665 has 32 divisors (see below), whose sum is σ = 87924096. Its totient is φ = 23976960.

The previous prime is 49912661. The next prime is 49912711. The reversal of 49912665 is 56621994.

It is a happy number.

It is not a de Polignac number, because 49912665 - 2² = 49912661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49912661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17307 + ... + 19983.

It is an arithmetic number, because the mean of its divisors is an integer number (2747628).

Almost surely, 2^49912665 is an apocalyptic number.

It is an amenable number.

49912665 is a deficient number, since it is larger than the sum of its proper divisors (38011431).

49912665 is a wasteful number, since it uses less digits than its factorization.

49912665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809.

The product of its digits is 116640, while the sum is 42.

The square root of 49912665 is about 7064.8895957403. The cubic root of 49912665 is about 368.1885282617.

The spelling of 49912665 in words is "forty-nine million, nine hundred twelve thousand, six hundred sixty-five".