56354687 has 2 divisors, whose sum is σ = 56354688. Its totient is φ = 56354686.

The previous prime is 56354681. The next prime is 56354689. The reversal of 56354687 is 78645365.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56354687 - 2⁴ = 56354671 is a prime.

Together with 56354689, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56354681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28177343 + 28177344.

It is an arithmetic number, because the mean of its divisors is an integer number (28177344).

Almost surely, 2^56354687 is an apocalyptic number.

56354687 is a deficient number, since it is larger than the sum of its proper divisors (1).

56354687 is an equidigital number, since it uses as much as digits as its factorization.

56354687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 44.

The square root of 56354687 is about 7506.9758891314. The cubic root of 56354687 is about 383.3922655877.

The spelling of 56354687 in words is "fifty-six million, three hundred fifty-four thousand, six hundred eighty-seven".