53067293997 has 4 divisors (see below), whose sum is σ = 70756392000. Its totient is φ = 35378195996.

The previous prime is 53067293969. The next prime is 53067294011. The reversal of 53067293997 is 79939276035.

53067293997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53067293997 - 2⁷ = 53067293869 is a prime.

It is a super-2 number, since 2×53067293997² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53067293997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53067293947) 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, 8844548997 + ... + 8844549002.

It is an arithmetic number, because the mean of its divisors is an integer number (17689098000).

Almost surely, 2^53067293997 is an apocalyptic number.

It is an amenable number.

53067293997 is a deficient number, since it is larger than the sum of its proper divisors (17689098003).

53067293997 is a wasteful number, since it uses less digits than its factorization.

53067293997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17689098002.

The product of its (nonzero) digits is 19289340, while the sum is 60.

The spelling of 53067293997 in words is "fifty-three billion, sixty-seven million, two hundred ninety-three thousand, nine hundred ninety-seven".