52201145602 has 4 divisors (see below), whose sum is σ = 78301718406. Its totient is φ = 26100572800.

The previous prime is 52201145543. The next prime is 52201145609. The reversal of 52201145602 is 20654110225.

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

It can be written as a sum of positive squares in only one way, i.e., 50297481441 + 1903664161 = 224271^2 + 43631^2 .

It is a super-2 number, since 2×52201145602² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52201145609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13050286399 + ... + 13050286402.

Almost surely, 2^52201145602 is an apocalyptic number.

52201145602 is a deficient number, since it is larger than the sum of its proper divisors (26100572804).

52201145602 is a wasteful number, since it uses less digits than its factorization.

52201145602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26100572803.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 52201145602 its reverse (20654110225), we get a palindrome (72855255827).

The spelling of 52201145602 in words is "fifty-two billion, two hundred one million, one hundred forty-five thousand, six hundred two".