56666335 has 8 divisors (see below), whose sum is σ = 74181456. Its totient is φ = 41211840.

The previous prime is 56666327. The next prime is 56666359. The reversal of 56666335 is 53366665.

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

It is not a de Polignac number, because 56666335 - 2³ = 56666327 is a prime.

It is a super-2 number, since 2×56666335² = 6422147044664450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515094 + ... + 515203.

It is an arithmetic number, because the mean of its divisors is an integer number (9272682).

Almost surely, 2^56666335 is an apocalyptic number.

56666335 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56666335 is a deficient number, since it is larger than the sum of its proper divisors (17515121).

56666335 is a wasteful number, since it uses less digits than its factorization.

56666335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030313.

The product of its digits is 291600, while the sum is 40.

The square root of 56666335 is about 7527.7044973883. The cubic root of 56666335 is about 384.0977014670.

The spelling of 56666335 in words is "fifty-six million, six hundred sixty-six thousand, three hundred thirty-five".