49506557184 has 432 divisors, whose sum is σ = 176563924992. Its totient is φ = 13527005184.

The previous prime is 49506557137. The next prime is 49506557189. The reversal of 49506557184 is 48175560594.

It is a happy number.

49506557184 is a `hidden beast` number, since 4 + 9 + 5 + 0 + 6 + 557 + 1 + 84 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

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

It is a self number, because there is not a number n which added to its sum of digits gives 49506557184.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49506557189) 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, 10013017 + ... + 10017959.

Almost surely, 2^49506557184 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 49506557184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88281962496).

49506557184 is an abundant number, since it is smaller than the sum of its proper divisors (127057367808).

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

49506557184 is an equidigital number, since it uses as much as digits as its factorization.

49506557184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5004 (or 4978 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 54.

The spelling of 49506557184 in words is "forty-nine billion, five hundred six million, five hundred fifty-seven thousand, one hundred eighty-four".