49491528 has 16 divisors (see below), whose sum is σ = 123728880. Its totient is φ = 16497168.

The previous prime is 49491511. The next prime is 49491529. The reversal of 49491528 is 82519494.

49491528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×49491528² = 4898822687549568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49491528.

It is not an unprimeable number, because it can be changed into a prime (49491529) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1031050 + ... + 1031097.

It is an arithmetic number, because the mean of its divisors is an integer number (7733055).

Almost surely, 2^49491528 is an apocalyptic number.

It is an amenable number.

49491528 is an abundant number, since it is smaller than the sum of its proper divisors (74237352).

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

49491528 is a wasteful number, since it uses less digits than its factorization.

49491528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062156 (or 2062152 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 49491528 is about 7035.0215351483. The cubic root of 49491528 is about 367.1500746150.

The spelling of 49491528 in words is "forty-nine million, four hundred ninety-one thousand, five hundred twenty-eight".