53413830 has 112 divisors (see below), whose sum is σ = 152985024. Its totient is φ = 13374720.

The previous prime is 53413799. The next prime is 53413831. The reversal of 53413830 is 3831435.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 53413794 and 53413803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53413831) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 123715 + ... + 124145.

Almost surely, 2^53413830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53413830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76492512).

53413830 is an abundant number, since it is smaller than the sum of its proper divisors (99571194).

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

53413830 is a wasteful number, since it uses less digits than its factorization.

53413830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 53413830 is about 7308.4765854452. The cubic root of 53413830 is about 376.6036920154.

The spelling of 53413830 in words is "fifty-three million, four hundred thirteen thousand, eight hundred thirty".