49191500 has 48 divisors (see below), whose sum is σ = 110379360. Its totient is φ = 19137600.

The previous prime is 49191487. The next prime is 49191517. The reversal of 49191500 is 519194.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17171 + ... + 19829.

It is an arithmetic number, because the mean of its divisors is an integer number (2299570).

Almost surely, 2^49191500 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 49191500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55189680).

49191500 is an abundant number, since it is smaller than the sum of its proper divisors (61187860).

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

49191500 is a wasteful number, since it uses less digits than its factorization.

49191500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715 (or 2703 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 49191500 is about 7013.6652329577. The cubic root of 49191500 is about 366.4066568046.

The spelling of 49191500 in words is "forty-nine million, one hundred ninety-one thousand, five hundred".