49711521552 has 240 divisors, whose sum is σ = 163260961344. Its totient is φ = 12888960000.

The previous prime is 49711521547. The next prime is 49711521557. The reversal of 49711521552 is 25512511794.

It is an interprime number because it is at equal distance from previous prime (49711521547) and next prime (49711521557).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (49711521557) 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, 18134902 + ... + 18137642.

Almost surely, 2^49711521552 is an apocalyptic number.

49711521552 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49711521552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81630480672).

49711521552 is an abundant number, since it is smaller than the sum of its proper divisors (113549439792).

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

49711521552 is a wasteful number, since it uses less digits than its factorization.

49711521552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3478 (or 3465 counting only the distinct ones).

The product of its digits is 126000, while the sum is 42.

The spelling of 49711521552 in words is "forty-nine billion, seven hundred eleven million, five hundred twenty-one thousand, five hundred fifty-two".