53699605933 has 8 divisors (see below), whose sum is σ = 56860506360. Its totient is φ = 50538938880.

The previous prime is 53699605919. The next prime is 53699605957. The reversal of 53699605933 is 33950699635.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19422045769 + 34277560164 = 139363^2 + 185142^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53699605933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53699605963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689073 + ... + 763033.

It is an arithmetic number, because the mean of its divisors is an integer number (7107563295).

Almost surely, 2^53699605933 is an apocalyptic number.

It is an amenable number.

53699605933 is a deficient number, since it is larger than the sum of its proper divisors (3160900427).

53699605933 is a wasteful number, since it uses less digits than its factorization.

53699605933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116687.

The product of its (nonzero) digits is 17714700, while the sum is 58.

The spelling of 53699605933 in words is "fifty-three billion, six hundred ninety-nine million, six hundred five thousand, nine hundred thirty-three".