49317651 has 6 divisors (see below), whose sum is σ = 71236620. Its totient is φ = 32878428.

The previous prime is 49317649. The next prime is 49317677. The reversal of 49317651 is 15671394.

It is not a de Polignac number, because 49317651 - 2¹ = 49317649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49317601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2739861 + ... + 2739878.

It is an arithmetic number, because the mean of its divisors is an integer number (11872770).

Almost surely, 2^49317651 is an apocalyptic number.

49317651 is a deficient number, since it is larger than the sum of its proper divisors (21918969).

49317651 is a wasteful number, since it uses less digits than its factorization.

49317651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5479745 (or 5479742 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 49317651 is about 7022.6527039289. The cubic root of 49317651 is about 366.7196045697.

The spelling of 49317651 in words is "forty-nine million, three hundred seventeen thousand, six hundred fifty-one".