53231742 has 20 divisors (see below), whose sum is σ = 119278896. Its totient is φ = 17743860.

The previous prime is 53231723. The next prime is 53231767. The reversal of 53231742 is 24713235.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 164134 + ... + 164457.

Almost surely, 2^53231742 is an apocalyptic number.

53231742 is an abundant number, since it is smaller than the sum of its proper divisors (66047154).

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

53231742 is a wasteful number, since it uses less digits than its factorization.

53231742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328605 (or 328596 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 53231742 is about 7296.0086348633. The cubic root of 53231742 is about 376.1752568756.

Adding to 53231742 its reverse (24713235), we get a palindrome (77944977).

The spelling of 53231742 in words is "fifty-three million, two hundred thirty-one thousand, seven hundred forty-two".