52942813623 has 42 divisors (see below), whose sum is σ = 90745782872. Its totient is φ = 30243643920.

The previous prime is 52942813619. The next prime is 52942813631. The reversal of 52942813623 is 32631824925.

52942813623 is a `hidden beast` number, since 5 + 2 + 9 + 4 + 2 + 8 + 13 + 623 = 666.

It is not a de Polignac number, because 52942813623 - 2² = 52942813619 is a prime.

It is a super-2 number, since 2×52942813623² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52942813633) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 16435153 + ... + 16438373.

Almost surely, 2^52942813623 is an apocalyptic number.

52942813623 is a deficient number, since it is larger than the sum of its proper divisors (37802969249).

52942813623 is an frugal number, since it uses more digits than its factorization.

52942813623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6467 (or 3231 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The spelling of 52942813623 in words is "fifty-two billion, nine hundred forty-two million, eight hundred thirteen thousand, six hundred twenty-three".