53071236 has 36 divisors (see below), whose sum is σ = 136160752. Its totient is φ = 17425584.

The previous prime is 53071231. The next prime is 53071253. The reversal of 53071236 is 63217035.

It is a happy number.

53071236 is a `hidden beast` number, since 530 + 7 + 123 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (53071231) 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, 8590 + ... + 13413.

Almost surely, 2^53071236 is an apocalyptic number.

It is an amenable number.

53071236 is an abundant number, since it is smaller than the sum of its proper divisors (83089516).

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

53071236 is a wasteful number, since it uses less digits than its factorization.

53071236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22080 (or 22075 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 53071236 is about 7285.0007549759. Note that the first 3 decimals coincide. The cubic root of 53071236 is about 375.7967911313.

The spelling of 53071236 in words is "fifty-three million, seventy-one thousand, two hundred thirty-six".