49531325688 has 192 divisors, whose sum is σ = 151199848800. Its totient is φ = 15099747840.

The previous prime is 49531325687. The next prime is 49531325699. The reversal of 49531325688 is 88652313594.

49531325688 is a `hidden beast` number, since 4 + 9 + 531 + 3 + 25 + 6 + 88 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49531325687) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2745658 + ... + 2763638.

Almost surely, 2^49531325688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49531325688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75599924400).

49531325688 is an abundant number, since it is smaller than the sum of its proper divisors (101668523112).

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

49531325688 is a wasteful number, since it uses less digits than its factorization.

49531325688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18124 (or 18108 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The spelling of 49531325688 in words is "forty-nine billion, five hundred thirty-one million, three hundred twenty-five thousand, six hundred eighty-eight".