53400236 has 12 divisors (see below), whose sum is σ = 94767120. Its totient is φ = 26323920.

The previous prime is 53400233. The next prime is 53400239. The reversal of 53400236 is 63200435.

It is an interprime number because it is at equal distance from previous prime (53400233) and next prime (53400239).

It is not an unprimeable number, because it can be changed into a prime (53400233) 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, 93731 + ... + 94298.

It is an arithmetic number, because the mean of its divisors is an integer number (7897260).

Almost surely, 2^53400236 is an apocalyptic number.

It is an amenable number.

53400236 is a deficient number, since it is larger than the sum of its proper divisors (41366884).

53400236 is a wasteful number, since it uses less digits than its factorization.

53400236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188104 (or 188102 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 53400236 is about 7307.5465102865. The cubic root of 53400236 is about 376.5717403344.

The spelling of 53400236 in words is "fifty-three million, four hundred thousand, two hundred thirty-six".