49505868 has 72 divisors (see below), whose sum is σ = 132852720. Its totient is φ = 15500160.

The previous prime is 49505861. The next prime is 49505881. The reversal of 49505868 is 86850594.

It is not an unprimeable number, because it can be changed into a prime (49505861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107158 + ... + 107618.

Almost surely, 2^49505868 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 49505868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66426360).

49505868 is an abundant number, since it is smaller than the sum of its proper divisors (83346852).

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

49505868 is a wasteful number, since it uses less digits than its factorization.

49505868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 49505868 is about 7036.0406479781. The cubic root of 49505868 is about 367.1855313478.

It can be divided in two parts, 4950586 and 8, that added together give a palindrome (4950594).

The spelling of 49505868 in words is "forty-nine million, five hundred five thousand, eight hundred sixty-eight".