56542471 has 2 divisors, whose sum is σ = 56542472. Its totient is φ = 56542470.

The previous prime is 56542427. The next prime is 56542477. The reversal of 56542471 is 17424565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56542471 - 2¹¹ = 56540423 is a prime.

It is a super-3 number, since 3×56542471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56542477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28271235 + 28271236.

It is an arithmetic number, because the mean of its divisors is an integer number (28271236).

Almost surely, 2^56542471 is an apocalyptic number.

56542471 is a deficient number, since it is larger than the sum of its proper divisors (1).

56542471 is an equidigital number, since it uses as much as digits as its factorization.

56542471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 34.

The square root of 56542471 is about 7519.4727873701. The cubic root of 56542471 is about 383.8176375667.

The spelling of 56542471 in words is "fifty-six million, five hundred forty-two thousand, four hundred seventy-one".