56361773 has 8 divisors (see below), whose sum is σ = 60908568. Its totient is φ = 51845184.

The previous prime is 56361769. The next prime is 56361779. The reversal of 56361773 is 37716365.

It can be written as a sum of positive squares in 4 ways, for example, as 8779369 + 47582404 = 2963^2 + 6898^2 .

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 56361773 - 2² = 56361769 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 (56361779) 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, 3590 + ... + 11207.

It is an arithmetic number, because the mean of its divisors is an integer number (7613571).

Almost surely, 2^56361773 is an apocalyptic number.

It is an amenable number.

56361773 is a deficient number, since it is larger than the sum of its proper divisors (4546795).

56361773 is a wasteful number, since it uses less digits than its factorization.

56361773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15103.

The product of its digits is 79380, while the sum is 38.

The square root of 56361773 is about 7507.4478353166. The cubic root of 56361773 is about 383.4083340751.

The spelling of 56361773 in words is "fifty-six million, three hundred sixty-one thousand, seven hundred seventy-three".