53413680 has 40 divisors (see below), whose sum is σ = 165583152. Its totient is φ = 14243584.

The previous prime is 53413663. The next prime is 53413687. The reversal of 53413680 is 8631435.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×53413680² = 5706042422284800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (53413687) 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, 111039 + ... + 111518.

Almost surely, 2^53413680 is an apocalyptic number.

It is an amenable number.

53413680 is an abundant number, since it is smaller than the sum of its proper divisors (112169472).

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

53413680 is a wasteful number, since it uses less digits than its factorization.

53413680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222573 (or 222567 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 53413680 is about 7308.4663233814. The cubic root of 53413680 is about 376.6033394812.

The spelling of 53413680 in words is "fifty-three million, four hundred thirteen thousand, six hundred eighty".