5056615021 has 4 divisors (see below), whose sum is σ = 5276467872. Its totient is φ = 4836762172.

The previous prime is 5056615009. The next prime is 5056615037. The reversal of 5056615021 is 1205166505.

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 5056615021 - 2¹¹ = 5056612973 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 (5056615061) 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, 109926391 + ... + 109926436.

It is an arithmetic number, because the mean of its divisors is an integer number (1319116968).

Almost surely, 2^5056615021 is an apocalyptic number.

It is an amenable number.

5056615021 is a deficient number, since it is larger than the sum of its proper divisors (219852851).

5056615021 is a wasteful number, since it uses less digits than its factorization.

5056615021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219852850.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 5056615021 is about 71109.8799113035. The cubic root of 5056615021 is about 1716.4057607360.

The spelling of 5056615021 in words is "five billion, fifty-six million, six hundred fifteen thousand, twenty-one".