52611562223431 has 4 divisors (see below), whose sum is σ = 52612459217872. Its totient is φ = 52610665228992.

The previous prime is 52611562223413. The next prime is 52611562223557. The reversal of 52611562223431 is 13432226511625.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52611562223431 is a prime.

It is a super-2 number, since 2×52611562223431² (a number of 28 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 (52611562263431) 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, 448409235 + ... + 448526548.

It is an arithmetic number, because the mean of its divisors is an integer number (13153114804468).

Almost surely, 2^{52611562223431} is an apocalyptic number.

52611562223431 is a deficient number, since it is larger than the sum of its proper divisors (896994441).

52611562223431 is an equidigital number, since it uses as much as digits as its factorization.

52611562223431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896994440.

The product of its digits is 518400, while the sum is 43.

The spelling of 52611562223431 in words is "fifty-two trillion, six hundred eleven billion, five hundred sixty-two million, two hundred twenty-three thousand, four hundred thirty-one".