49851075456 has 320 divisors, whose sum is σ = 182595446880. Its totient is φ = 13147287552.

The previous prime is 49851075397. The next prime is 49851075457. The reversal of 49851075456 is 65457015894.

It is a happy number.

49851075456 is a `hidden beast` number, since 4 + 9 + 8 + 510 + 75 + 4 + 56 = 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 (49851075457) 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 39 ways as a sum of consecutive naturals, for example, 917070 + ... + 969906.

Almost surely, 2^49851075456 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 49851075456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91297723440).

49851075456 is an abundant number, since it is smaller than the sum of its proper divisors (132744371424).

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

49851075456 is a wasteful number, since it uses less digits than its factorization.

49851075456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52883 (or 52862 counting only the distinct ones).

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

The spelling of 49851075456 in words is "forty-nine billion, eight hundred fifty-one million, seventy-five thousand, four hundred fifty-six".