53162644 has 12 divisors (see below), whose sum is σ = 96035968. Its totient is φ = 25723800.

The previous prime is 53162633. The next prime is 53162647. The reversal of 53162644 is 44626135.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53162647) 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, 214242 + ... + 214489.

Almost surely, 2^53162644 is an apocalyptic number.

It is an amenable number.

53162644 is a deficient number, since it is larger than the sum of its proper divisors (42873324).

53162644 is a wasteful number, since it uses less digits than its factorization.

53162644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428766 (or 428764 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 53162644 is about 7291.2717683543. The cubic root of 53162644 is about 376.0124203683.

Adding to 53162644 its reverse (44626135), we get a palindrome (97788779).

The spelling of 53162644 in words is "fifty-three million, one hundred sixty-two thousand, six hundred forty-four".