53651642 has 24 divisors (see below), whose sum is σ = 89699988. Its totient is φ = 24045120.

The previous prime is 53651629. The next prime is 53651671. The reversal of 53651642 is 24615635.

53651642 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 50965321 + 2686321 = 7139^2 + 1639^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53651599 and 53651608.

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 11 ways as a sum of consecutive naturals, for example, 16148 + ... + 19184.

Almost surely, 2^53651642 is an apocalyptic number.

53651642 is a deficient number, since it is larger than the sum of its proper divisors (36048346).

53651642 is a wasteful number, since it uses less digits than its factorization.

53651642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134 (or 3123 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 53651642 is about 7324.7281178212. The cubic root of 53651642 is about 377.1617764980.

It can be divided in two parts, 5365 and 1642, that added together give a palindrome (7007).

The spelling of 53651642 in words is "fifty-three million, six hundred fifty-one thousand, six hundred forty-two".