53011312 has 20 divisors (see below), whose sum is σ = 102946536. Its totient is φ = 26444480.

The previous prime is 53011279. The next prime is 53011327. The reversal of 53011312 is 21311035.

It is a super-2 number, since 2×53011312² = 5620398399922688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3783 + ... + 10969.

Almost surely, 2^53011312 is an apocalyptic number.

It is an amenable number.

53011312 is a deficient number, since it is larger than the sum of its proper divisors (49935224).

53011312 is a wasteful number, since it uses less digits than its factorization.

53011312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7656 (or 7650 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 53011312 is about 7280.8867591798. The cubic root of 53011312 is about 375.6552974861.

Adding to 53011312 its reverse (21311035), we get a palindrome (74322347).

The spelling of 53011312 in words is "fifty-three million, eleven thousand, three hundred twelve".