52547811501 has 4 divisors (see below), whose sum is σ = 70063748672. Its totient is φ = 35031874332.

The previous prime is 52547811479. The next prime is 52547811517. The reversal of 52547811501 is 10511874525.

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 not a de Polignac number, because 52547811501 - 2⁵ = 52547811469 is a prime.

It is a super-2 number, since 2×52547811501² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52547811501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52547811541) 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, 8757968581 + ... + 8757968586.

It is an arithmetic number, because the mean of its divisors is an integer number (17515937168).

Almost surely, 2^52547811501 is an apocalyptic number.

It is an amenable number.

52547811501 is a deficient number, since it is larger than the sum of its proper divisors (17515937171).

52547811501 is a wasteful number, since it uses less digits than its factorization.

52547811501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17515937170.

The product of its (nonzero) digits is 56000, while the sum is 39.

The spelling of 52547811501 in words is "fifty-two billion, five hundred forty-seven million, eight hundred eleven thousand, five hundred one".