49550731776 has 960 divisors, whose sum is σ = 195141260160. Its totient is φ = 12262440960.

The previous prime is 49550731723. The next prime is 49550731781. The reversal of 49550731776 is 67713705594.

49550731776 is a `hidden beast` number, since 4 + 9 + 550 + 7 + 3 + 17 + 76 = 666.

It is a super-2 number, since 2×49550731776² (a number of 22 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 149699931 + ... + 149700261.

It is an arithmetic number, because the mean of its divisors is an integer number (203272146).

Almost surely, 2^49550731776 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 49550731776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97570630080).

49550731776 is an abundant number, since it is smaller than the sum of its proper divisors (145590528384).

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

49550731776 is a wasteful number, since it uses less digits than its factorization.

49550731776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 5556600, while the sum is 54.

The spelling of 49550731776 in words is "forty-nine billion, five hundred fifty million, seven hundred thirty-one thousand, seven hundred seventy-six".