49525074858 has 64 divisors (see below), whose sum is σ = 117521176320. Its totient is φ = 13613376000.

The previous prime is 49525074847. The next prime is 49525074871. The reversal of 49525074858 is 85847052594.

It is a junction number, because it is equal to n+sod(n) for n = 49525074798 and 49525074807.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269908 + ... + 414608.

It is an arithmetic number, because the mean of its divisors is an integer number (1836268380).

Almost surely, 2^49525074858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49525074858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58760588160).

49525074858 is an abundant number, since it is smaller than the sum of its proper divisors (67996101462).

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

49525074858 is a wasteful number, since it uses less digits than its factorization.

49525074858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145023.

The product of its (nonzero) digits is 16128000, while the sum is 57.

The spelling of 49525074858 in words is "forty-nine billion, five hundred twenty-five million, seventy-four thousand, eight hundred fifty-eight".