48991555746 has 192 divisors, whose sum is σ = 133637038080. Its totient is φ = 12655906560.

The previous prime is 48991555741. The next prime is 48991555759. The reversal of 48991555746 is 64755519984.

48991555746 is a `hidden beast` number, since 4 + 8 + 9 + 9 + 1 + 55 + 574 + 6 = 666.

It is a super-3 number, since 3×48991555746³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (48991555741) 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 95 ways as a sum of consecutive naturals, for example, 5413101 + ... + 5422143.

It is an arithmetic number, because the mean of its divisors is an integer number (696026240).

Almost surely, 2^48991555746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48991555746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66818519040).

48991555746 is an abundant number, since it is smaller than the sum of its proper divisors (84645482334).

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

48991555746 is a wasteful number, since it uses less digits than its factorization.

48991555746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9181 (or 9178 counting only the distinct ones).

The product of its digits is 54432000, while the sum is 63.

The spelling of 48991555746 in words is "forty-eight billion, nine hundred ninety-one million, five hundred fifty-five thousand, seven hundred forty-six".