5052171557 has 4 divisors (see below), whose sum is σ = 5052319116. Its totient is φ = 5052024000.

The previous prime is 5052171547. The next prime is 5052171613. The reversal of 5052171557 is 7551712505.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7551712505 = 5 ⋅1510342501.

It can be written as a sum of positive squares in 2 ways, for example, as 1212014596 + 3840156961 = 34814^2 + 61969^2 .

It is a cyclic number.

It is not a de Polignac number, because 5052171557 - 2⁶ = 5052171493 is a prime.

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 5052171557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5052171547) 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, 7223 + ... + 100779.

It is an arithmetic number, because the mean of its divisors is an integer number (1263079779).

Almost surely, 2^5052171557 is an apocalyptic number.

It is an amenable number.

5052171557 is a deficient number, since it is larger than the sum of its proper divisors (147559).

5052171557 is an equidigital number, since it uses as much as digits as its factorization.

5052171557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147558.

The product of its (nonzero) digits is 61250, while the sum is 38.

The square root of 5052171557 is about 71078.6293973090. The cubic root of 5052171557 is about 1715.9028536686.

The spelling of 5052171557 in words is "five billion, fifty-two million, one hundred seventy-one thousand, five hundred fifty-seven".