53021140352 has 32 divisors (see below), whose sum is σ = 106218199800. Its totient is φ = 26362455040.

The previous prime is 53021140339. The next prime is 53021140373. The reversal of 53021140352 is 25304112035.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×53021140352² (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, 1134149 + ... + 1179972.

Almost surely, 2^53021140352 is an apocalyptic number.

It is an amenable number.

53021140352 is an abundant number, since it is smaller than the sum of its proper divisors (53197059448).

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

53021140352 is a wasteful number, since it uses less digits than its factorization.

53021140352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314314 (or 2314302 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 53021140352 its reverse (25304112035), we get a palindrome (78325252387).

The spelling of 53021140352 in words is "fifty-three billion, twenty-one million, one hundred forty thousand, three hundred fifty-two".