53649188 has 12 divisors (see below), whose sum is σ = 97123740. Its totient is φ = 25899552.

The previous prime is 53649173. The next prime is 53649209. The reversal of 53649188 is 88194635.

53649188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 43138624 + 10510564 = 6568^2 + 3242^2 .

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 3 ways as a sum of consecutive naturals, for example, 231131 + ... + 231362.

It is an arithmetic number, because the mean of its divisors is an integer number (8093645).

Almost surely, 2^53649188 is an apocalyptic number.

53649188 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

53649188 is a deficient number, since it is larger than the sum of its proper divisors (43474552).

53649188 is a wasteful number, since it uses less digits than its factorization.

53649188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462526 (or 462524 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 53649188 is about 7324.5606011555. The cubic root of 53649188 is about 377.1560260116.

The spelling of 53649188 in words is "fifty-three million, six hundred forty-nine thousand, one hundred eighty-eight".