53021512312 has 16 divisors (see below), whose sum is σ = 103737741840. Its totient is φ = 25358114496.

The previous prime is 53021512249. The next prime is 53021512333. The reversal of 53021512312 is 21321512035.

It is a super-2 number, since 2×53021512312² (a number of 22 digits) contains 22 as substring.

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, 144080013 + ... + 144080380.

It is an arithmetic number, because the mean of its divisors is an integer number (6483608865).

Almost surely, 2^53021512312 is an apocalyptic number.

It is an amenable number.

53021512312 is a deficient number, since it is larger than the sum of its proper divisors (50716229528).

53021512312 is a wasteful number, since it uses less digits than its factorization.

53021512312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288160422 (or 288160418 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 53021512312 in words is "fifty-three billion, twenty-one million, five hundred twelve thousand, three hundred twelve".