53533642 has 8 divisors (see below), whose sum is σ = 80557956. Its totient is φ = 26680992.

The previous prime is 53533631. The next prime is 53533643. The reversal of 53533642 is 24633535.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51998521 + 1535121 = 7211^2 + 1239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (53533643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42133 + ... + 43384.

Almost surely, 2^53533642 is an apocalyptic number.

53533642 is a deficient number, since it is larger than the sum of its proper divisors (27024314).

53533642 is a wasteful number, since it uses less digits than its factorization.

53533642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85832.

The product of its digits is 32400, while the sum is 31.

The square root of 53533642 is about 7316.6687775244. The cubic root of 53533642 is about 376.8850669966.

The spelling of 53533642 in words is "fifty-three million, five hundred thirty-three thousand, six hundred forty-two".