49015599552 has 504 divisors, whose sum is σ = 159536739600. Its totient is φ = 14738347008.

The previous prime is 49015599539. The next prime is 49015599553. The reversal of 49015599552 is 25599551094.

49015599552 is a `hidden beast` number, since 49 + 0 + 1 + 5 + 599 + 5 + 5 + 2 = 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 (49015599553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1139897643 + ... + 1139897685.

It is an arithmetic number, because the mean of its divisors is an integer number (316541150).

Almost surely, 2^49015599552 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 49015599552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79768369800).

49015599552 is an abundant number, since it is smaller than the sum of its proper divisors (110521140048).

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

49015599552 is a wasteful number, since it uses less digits than its factorization.

49015599552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 3645000, while the sum is 54.

The spelling of 49015599552 in words is "forty-nine billion, fifteen million, five hundred ninety-nine thousand, five hundred fifty-two".