56466381 has 8 divisors (see below), whose sum is σ = 75794400. Its totient is φ = 37391312.

The previous prime is 56466349. The next prime is 56466383. The reversal of 56466381 is 18366465.

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 56466381 - 2⁵ = 56466349 is a prime.

It is a super-2 number, since 2×56466381² = 6376904366474322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56466383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62715 + ... + 63608.

It is an arithmetic number, because the mean of its divisors is an integer number (9474300).

Almost surely, 2^56466381 is an apocalyptic number.

It is an amenable number.

56466381 is a deficient number, since it is larger than the sum of its proper divisors (19328019).

56466381 is a wasteful number, since it uses less digits than its factorization.

56466381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126475.

The product of its digits is 103680, while the sum is 39.

The square root of 56466381 is about 7514.4115538078. The cubic root of 56466381 is about 383.6453906774.

The spelling of 56466381 in words is "fifty-six million, four hundred sixty-six thousand, three hundred eighty-one".