52401656501 has 4 divisors (see below), whose sum is σ = 52404170112. Its totient is φ = 52399142892.

The previous prime is 52401656413. The next prime is 52401656543. The reversal of 52401656501 is 10565610425.

52401656501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 52401656501 - 2¹⁰ = 52401655477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52401656551) 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, 1225271 + ... + 1267316.

It is an arithmetic number, because the mean of its divisors is an integer number (13101042528).

Almost surely, 2^52401656501 is an apocalyptic number.

It is an amenable number.

52401656501 is a deficient number, since it is larger than the sum of its proper divisors (2513611).

52401656501 is a wasteful number, since it uses less digits than its factorization.

52401656501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513610.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 52401656501 in words is "fifty-two billion, four hundred one million, six hundred fifty-six thousand, five hundred one".