53236401 has 12 divisors (see below), whose sum is σ = 75404112. Its totient is φ = 33402688.

The previous prime is 53236399. The next prime is 53236411. The reversal of 53236401 is 10463235.

It is a happy number.

It is not a de Polignac number, because 53236401 - 2¹ = 53236399 is a prime.

It is a super-2 number, since 2×53236401² = 5668228782865602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53236411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29835 + ... + 31568.

It is an arithmetic number, because the mean of its divisors is an integer number (6283676).

Almost surely, 2^53236401 is an apocalyptic number.

53236401 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

53236401 is a deficient number, since it is larger than the sum of its proper divisors (22167711).

53236401 is a wasteful number, since it uses less digits than its factorization.

53236401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61440 (or 61423 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 53236401 is about 7296.3279120390. The cubic root of 53236401 is about 376.1862312136.

Adding to 53236401 its reverse (10463235), we get a palindrome (63699636).

The spelling of 53236401 in words is "fifty-three million, two hundred thirty-six thousand, four hundred one".