52206511561501 has 4 divisors (see below), whose sum is σ = 56952558067104. Its totient is φ = 47460465055900.

The previous prime is 52206511561459. The next prime is 52206511561511. The reversal of 52206511561501 is 10516511560225.

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 a de Polignac number, because none of the positive numbers 2^k-52206511561501 is a prime.

It is a super-2 number, since 2×52206511561501² (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 (52206511561511) 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, 2373023252785 + ... + 2373023252806.

It is an arithmetic number, because the mean of its divisors is an integer number (14238139516776).

Almost surely, 2^{52206511561501} is an apocalyptic number.

It is an amenable number.

52206511561501 is a deficient number, since it is larger than the sum of its proper divisors (4746046505603).

52206511561501 is a wasteful number, since it uses less digits than its factorization.

52206511561501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4746046505602.

The product of its (nonzero) digits is 90000, while the sum is 40.

The spelling of 52206511561501 in words is "fifty-two trillion, two hundred six billion, five hundred eleven million, five hundred sixty-one thousand, five hundred one".