56844551 has 2 divisors, whose sum is σ = 56844552. Its totient is φ = 56844550.

The previous prime is 56844539. The next prime is 56844559. The reversal of 56844551 is 15544865.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56844551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56844559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28422275 + 28422276.

It is an arithmetic number, because the mean of its divisors is an integer number (28422276).

Almost surely, 2^56844551 is an apocalyptic number.

56844551 is a deficient number, since it is larger than the sum of its proper divisors (1).

56844551 is an equidigital number, since it uses as much as digits as its factorization.

56844551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96000, while the sum is 38.

The square root of 56844551 is about 7539.5325451914. The cubic root of 56844551 is about 384.4999433510.

The spelling of 56844551 in words is "fifty-six million, eight hundred forty-four thousand, five hundred fifty-one".