49522097898 has 128 divisors (see below), whose sum is σ = 135550410240. Its totient is φ = 13050616320.

The previous prime is 49522097897. The next prime is 49522097909. The reversal of 49522097898 is 89879022594.

It is a happy number.

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 (49522097897) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7962486 + ... + 7968702.

It is an arithmetic number, because the mean of its divisors is an integer number (1058987580).

Almost surely, 2^49522097898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49522097898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67775205120).

49522097898 is an abundant number, since it is smaller than the sum of its proper divisors (86028312342).

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

49522097898 is a wasteful number, since it uses less digits than its factorization.

49522097898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7869 (or 7863 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 49522097898 in words is "forty-nine billion, five hundred twenty-two million, ninety-seven thousand, eight hundred ninety-eight".