53113660 has 24 divisors (see below), whose sum is σ = 111688416. Its totient is φ = 21216960.

The previous prime is 53113657. The next prime is 53113663. The reversal of 53113660 is 6631135.

It is an interprime number because it is at equal distance from previous prime (53113657) and next prime (53113663).

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53113663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19969 + ... + 22471.

It is an arithmetic number, because the mean of its divisors is an integer number (4653684).

Almost surely, 2^53113660 is an apocalyptic number.

It is an amenable number.

53113660 is an abundant number, since it is smaller than the sum of its proper divisors (58574756).

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

53113660 is a wasteful number, since it uses less digits than its factorization.

53113660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3573 (or 3571 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 53113660 is about 7287.9119094566. The cubic root of 53113660 is about 375.8968990745.

Adding to 53113660 its reverse (6631135), we get a palindrome (59744795).

The spelling of 53113660 in words is "fifty-three million, one hundred thirteen thousand, six hundred sixty".