52377349621 has 8 divisors (see below), whose sum is σ = 52618051584. Its totient is φ = 52136735520.

The previous prime is 52377349597. The next prime is 52377349667. The reversal of 52377349621 is 12694377325.

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-52377349621 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 (52377349691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1375681 + ... + 1413241.

It is an arithmetic number, because the mean of its divisors is an integer number (6577256448).

Almost surely, 2^52377349621 is an apocalyptic number.

It is an amenable number.

52377349621 is a deficient number, since it is larger than the sum of its proper divisors (240701963).

52377349621 is a wasteful number, since it uses less digits than its factorization.

52377349621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43931.

The product of its digits is 1905120, while the sum is 49.

The spelling of 52377349621 in words is "fifty-two billion, three hundred seventy-seven million, three hundred forty-nine thousand, six hundred twenty-one".