49689705 has 64 divisors (see below), whose sum is σ = 90091008. Its totient is φ = 23224320.

The previous prime is 49689701. The next prime is 49689709. The reversal of 49689705 is 50798694.

It is an interprime number because it is at equal distance from previous prime (49689701) and next prime (49689709).

It is not a de Polignac number, because 49689705 - 2² = 49689701 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49689701) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 512217 + ... + 512313.

It is an arithmetic number, because the mean of its divisors is an integer number (1407672).

Almost surely, 2^49689705 is an apocalyptic number.

It is an amenable number.

49689705 is a deficient number, since it is larger than the sum of its proper divisors (40401303).

49689705 is a wasteful number, since it uses less digits than its factorization.

49689705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 49689705 is about 7049.0924947826. The cubic root of 49689705 is about 367.6394768833.

The spelling of 49689705 in words is "forty-nine million, six hundred eighty-nine thousand, seven hundred five".