5356064561 has 4 divisors (see below), whose sum is σ = 5486700324. Its totient is φ = 5225428800.

The previous prime is 5356064507. The next prime is 5356064573. The reversal of 5356064561 is 1654606535.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 197233936 + 5158830625 = 14044^2 + 71825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5356064561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 130635721 = 5356064561 / (5 + 3 + 5 + 6 + 0 + 6 + 4 + 5 + 6 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5356061561) 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, 65317820 + ... + 65317901.

It is an arithmetic number, because the mean of its divisors is an integer number (1371675081).

Almost surely, 2^5356064561 is an apocalyptic number.

It is an amenable number.

5356064561 is a deficient number, since it is larger than the sum of its proper divisors (130635763).

5356064561 is a wasteful number, since it uses less digits than its factorization.

5356064561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130635762.

The product of its (nonzero) digits is 324000, while the sum is 41.

The square root of 5356064561 is about 73185.1389354424. The cubic root of 5356064561 is about 1749.6396058946.

The spelling of 5356064561 in words is "five billion, three hundred fifty-six million, sixty-four thousand, five hundred sixty-one".