56418819 has 8 divisors (see below), whose sum is σ = 75306000. Its totient is φ = 37572096.

The previous prime is 56418811. The next prime is 56418827. The reversal of 56418819 is 91881465.

It is an interprime number because it is at equal distance from previous prime (56418811) and next prime (56418827).

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

It is not a de Polignac number, because 56418819 - 2³ = 56418811 is a prime.

It is a super-2 number, since 2×56418819² = 6366166274709522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56418811) 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, 6694 + ... + 12555.

It is an arithmetic number, because the mean of its divisors is an integer number (9413250).

Almost surely, 2^56418819 is an apocalyptic number.

56418819 is a deficient number, since it is larger than the sum of its proper divisors (18887181).

56418819 is a wasteful number, since it uses less digits than its factorization.

56418819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20229.

The product of its digits is 69120, while the sum is 42.

The square root of 56418819 is about 7511.2461682467. The cubic root of 56418819 is about 383.5376447507.

The spelling of 56418819 in words is "fifty-six million, four hundred eighteen thousand, eight hundred nineteen".