5656054621 has 4 divisors (see below), whose sum is σ = 6464062432. Its totient is φ = 4848046812.

The previous prime is 5656054619. The next prime is 5656054661. The reversal of 5656054621 is 1264506565.

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 not a de Polignac number, because 5656054621 - 2¹ = 5656054619 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 (5656054661) 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, 404003895 + ... + 404003908.

It is an arithmetic number, because the mean of its divisors is an integer number (1616015608).

Almost surely, 2^5656054621 is an apocalyptic number.

It is an amenable number.

5656054621 is a deficient number, since it is larger than the sum of its proper divisors (808007811).

5656054621 is an equidigital number, since it uses as much as digits as its factorization.

5656054621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808007810.

The product of its (nonzero) digits is 216000, while the sum is 40.

The square root of 5656054621 is about 75206.7458476964. The cubic root of 5656054621 is about 1781.7134765937.

The spelling of 5656054621 in words is "five billion, six hundred fifty-six million, fifty-four thousand, six hundred twenty-one".