56212471 has 4 divisors (see below), whose sum is σ = 64242832. Its totient is φ = 48182112.

The previous prime is 56212463. The next prime is 56212477. The reversal of 56212471 is 17421265.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56212471 - 2³ = 56212463 is a prime.

It is a super-3 number, since 3×56212471³ (a number of 24 digits) contains 333 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 (56212477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4015170 + ... + 4015183.

It is an arithmetic number, because the mean of its divisors is an integer number (16060708).

Almost surely, 2^56212471 is an apocalyptic number.

56212471 is a deficient number, since it is larger than the sum of its proper divisors (8030361).

56212471 is an equidigital number, since it uses as much as digits as its factorization.

56212471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8030360.

The product of its digits is 3360, while the sum is 28.

The square root of 56212471 is about 7497.4976492160. The cubic root of 56212471 is about 383.0694859009.

The spelling of 56212471 in words is "fifty-six million, two hundred twelve thousand, four hundred seventy-one".