52056601555021 has 4 divisors (see below), whose sum is σ = 59493258920032. Its totient is φ = 44619944190012.

The previous prime is 52056601555003. The next prime is 52056601555087. The reversal of 52056601555021 is 12055510665025.

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 52056601555021 - 2⁵ = 52056601554989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52056601556021) 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, 3718328682495 + ... + 3718328682508.

It is an arithmetic number, because the mean of its divisors is an integer number (14873314730008).

Almost surely, 2^{52056601555021} is an apocalyptic number.

It is an amenable number.

52056601555021 is a deficient number, since it is larger than the sum of its proper divisors (7436657365011).

52056601555021 is an equidigital number, since it uses as much as digits as its factorization.

52056601555021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7436657365010.

The product of its (nonzero) digits is 450000, while the sum is 43.

The spelling of 52056601555021 in words is "fifty-two trillion, fifty-six billion, six hundred one million, five hundred fifty-five thousand, twenty-one".