52276291493 has 4 divisors (see below), whose sum is σ = 52277591520. Its totient is φ = 52274991468.

The previous prime is 52276291481. The next prime is 52276291499. The reversal of 52276291493 is 39419267225.

It is a happy number.

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 52276291493 - 2⁴ = 52276291477 is a prime.

It is a super-4 number, since 4×52276291493⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52276291499) 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, 587705 + ... + 670782.

It is an arithmetic number, because the mean of its divisors is an integer number (13069397880).

Almost surely, 2^52276291493 is an apocalyptic number.

It is an amenable number.

52276291493 is a deficient number, since it is larger than the sum of its proper divisors (1300027).

52276291493 is a wasteful number, since it uses less digits than its factorization.

52276291493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300026.

The product of its digits is 1632960, while the sum is 50.

The spelling of 52276291493 in words is "fifty-two billion, two hundred seventy-six million, two hundred ninety-one thousand, four hundred ninety-three".