56743219 has 8 divisors (see below), whose sum is σ = 61591040. Its totient is φ = 51964416.

The previous prime is 56743213. The next prime is 56743249. The reversal of 56743219 is 91234765.

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 56743219 - 2¹³ = 56735027 is a prime.

It is a super-2 number, since 2×56743219² = 6439585804963922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56743213) 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, 15534 + ... + 18835.

It is an arithmetic number, because the mean of its divisors is an integer number (7698880).

Almost surely, 2^56743219 is an apocalyptic number.

56743219 is a deficient number, since it is larger than the sum of its proper divisors (4847821).

56743219 is a wasteful number, since it uses less digits than its factorization.

56743219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34509.

The product of its digits is 45360, while the sum is 37.

The square root of 56743219 is about 7532.8095024367. The cubic root of 56743219 is about 384.2713355540.

The spelling of 56743219 in words is "fifty-six million, seven hundred forty-three thousand, two hundred nineteen".