52564463654 has 4 divisors (see below), whose sum is σ = 78846695484. Its totient is φ = 26282231826.

The previous prime is 52564463599. The next prime is 52564463663. The reversal of 52564463654 is 45636446525.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13141115912 + ... + 13141115915.

It is an arithmetic number, because the mean of its divisors is an integer number (19711673871).

Almost surely, 2^52564463654 is an apocalyptic number.

52564463654 is a deficient number, since it is larger than the sum of its proper divisors (26282231830).

52564463654 is a wasteful number, since it uses less digits than its factorization.

52564463654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26282231829.

The product of its digits is 10368000, while the sum is 50.

The spelling of 52564463654 in words is "fifty-two billion, five hundred sixty-four million, four hundred sixty-three thousand, six hundred fifty-four".