5621361577 has 8 divisors (see below), whose sum is σ = 6194560064. Its totient is φ = 5068275408.

The previous prime is 5621361541. The next prime is 5621361587. The reversal of 5621361577 is 7751631265.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5621361577 - 2¹¹ = 5621359529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5621361517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5027493 + ... + 5028610.

It is an arithmetic number, because the mean of its divisors is an integer number (774320008).

Almost surely, 2^5621361577 is an apocalyptic number.

It is an amenable number.

5621361577 is a deficient number, since it is larger than the sum of its proper divisors (573198487).

5621361577 is a wasteful number, since it uses less digits than its factorization.

5621361577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10056159.

The product of its digits is 264600, while the sum is 43.

The square root of 5621361577 is about 74975.7399229911. The cubic root of 5621361577 is about 1778.0631182087.

The spelling of 5621361577 in words is "five billion, six hundred twenty-one million, three hundred sixty-one thousand, five hundred seventy-seven".