53253544 has 16 divisors (see below), whose sum is σ = 100581300. Its totient is φ = 26431872.

The previous prime is 53253539. The next prime is 53253569. The reversal of 53253544 is 44535235.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 52388644 + 864900 = 7238^2 + 930^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23199 + ... + 25390.

Almost surely, 2^53253544 is an apocalyptic number.

It is an amenable number.

53253544 is a deficient number, since it is larger than the sum of its proper divisors (47327756).

53253544 is a wasteful number, since it uses less digits than its factorization.

53253544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48732 (or 48728 counting only the distinct ones).

The product of its digits is 36000, while the sum is 31.

The square root of 53253544 is about 7297.5025865018. The cubic root of 53253544 is about 376.2266062724.

Adding to 53253544 its reverse (44535235), we get a palindrome (97788779).

The spelling of 53253544 in words is "fifty-three million, two hundred fifty-three thousand, five hundred forty-four".