49971315852 has 48 divisors (see below), whose sum is σ = 130380500320. Its totient is φ = 16551003456.

The previous prime is 49971315847. The next prime is 49971315857. The reversal of 49971315852 is 25851317994.

It is a happy number.

49971315852 is a `hidden beast` number, since 49 + 9 + 7 + 13 + 1 + 585 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (49971315847) and next prime (49971315857).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (49971315857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1456603 + ... + 1490514.

Almost surely, 2^49971315852 is an apocalyptic number.

It is an amenable number.

49971315852 is an abundant number, since it is smaller than the sum of its proper divisors (80409184468).

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

49971315852 is a wasteful number, since it uses less digits than its factorization.

49971315852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947287 (or 2947279 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 54.

The spelling of 49971315852 in words is "forty-nine billion, nine hundred seventy-one million, three hundred fifteen thousand, eight hundred fifty-two".