56340551 has 2 divisors, whose sum is σ = 56340552. Its totient is φ = 56340550.

The previous prime is 56340523. The next prime is 56340569. The reversal of 56340551 is 15504365.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56340551 - 2¹⁰ = 56339527 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56340521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28170275 + 28170276.

It is an arithmetic number, because the mean of its divisors is an integer number (28170276).

Almost surely, 2^56340551 is an apocalyptic number.

56340551 is a deficient number, since it is larger than the sum of its proper divisors (1).

56340551 is an equidigital number, since it uses as much as digits as its factorization.

56340551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 56340551 is about 7506.0343058102. The cubic root of 56340551 is about 383.3602062236.

It can be divided in two parts, 563 and 40551, that added together give a palindrome (41114).

The spelling of 56340551 in words is "fifty-six million, three hundred forty thousand, five hundred fifty-one".