56493919 has 8 divisors (see below), whose sum is σ = 58374432. Its totient is φ = 54643680.

The previous prime is 56493851. The next prime is 56493947. The reversal of 56493919 is 91939465.

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 56493919 - 2¹¹ = 56491871 is a prime.

It is a super-2 number, since 2×56493919² = 6383125767957122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56493949) 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, 3744 + ... + 11269.

It is an arithmetic number, because the mean of its divisors is an integer number (7296804).

Almost surely, 2^56493919 is an apocalyptic number.

56493919 is a deficient number, since it is larger than the sum of its proper divisors (1880513).

56493919 is a wasteful number, since it uses less digits than its factorization.

56493919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15137.

The product of its digits is 262440, while the sum is 46.

The square root of 56493919 is about 7516.2436761989. The cubic root of 56493919 is about 383.7077470128.

The spelling of 56493919 in words is "fifty-six million, four hundred ninety-three thousand, nine hundred nineteen".