49158564 has 144 divisors (see below), whose sum is σ = 147470400. Its totient is φ = 12628224.

The previous prime is 49158553. The next prime is 49158581. The reversal of 49158564 is 46585194.

49158564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 450942 + ... + 451050.

It is an arithmetic number, because the mean of its divisors is an integer number (1024100).

Almost surely, 2^49158564 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 49158564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73735200).

49158564 is an abundant number, since it is smaller than the sum of its proper divisors (98311836).

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

49158564 is a wasteful number, since it uses less digits than its factorization.

49158564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 193 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The square root of 49158564 is about 7011.3168520614. The cubic root of 49158564 is about 366.3248631072.

The spelling of 49158564 in words is "forty-nine million, one hundred fifty-eight thousand, five hundred sixty-four".