49516452 has 18 divisors (see below), whose sum is σ = 125166678. Its totient is φ = 16505472.

The previous prime is 49516391. The next prime is 49516459. The reversal of 49516452 is 25461594.

49516452 is a `hidden beast` number, since 4 + 9 + 5 + 1 + 645 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 38862756 + 10653696 = 6234^2 + 3264^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1375457 = 49516452 / (4 + 9 + 5 + 1 + 6 + 4 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (49516459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 687693 + ... + 687764.

Almost surely, 2^49516452 is an apocalyptic number.

It is an amenable number.

49516452 is an abundant number, since it is smaller than the sum of its proper divisors (75650226).

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

49516452 is a wasteful number, since it uses less digits than its factorization.

49516452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375467 (or 1375462 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 49516452 is about 7036.7927353305. The cubic root of 49516452 is about 367.2116966955.

The spelling of 49516452 in words is "forty-nine million, five hundred sixteen thousand, four hundred fifty-two".