52578152501 has 4 divisors (see below), whose sum is σ = 60089317152. Its totient is φ = 45066987852.

The previous prime is 52578152491. The next prime is 52578152567. The reversal of 52578152501 is 10525187525.

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 52578152501 - 2³⁰ = 51504410677 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 (52578152581) 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, 3755582315 + ... + 3755582328.

It is an arithmetic number, because the mean of its divisors is an integer number (15022329288).

Almost surely, 2^52578152501 is an apocalyptic number.

It is an amenable number.

52578152501 is a deficient number, since it is larger than the sum of its proper divisors (7511164651).

52578152501 is an equidigital number, since it uses as much as digits as its factorization.

52578152501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7511164650.

The product of its (nonzero) digits is 140000, while the sum is 41.

The spelling of 52578152501 in words is "fifty-two billion, five hundred seventy-eight million, one hundred fifty-two thousand, five hundred one".