55256743 has 2 divisors, whose sum is σ = 55256744. Its totient is φ = 55256742.

The previous prime is 55256737. The next prime is 55256759. The reversal of 55256743 is 34765255.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55256743 - 2⁵ = 55256711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55256723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27628371 + 27628372.

It is an arithmetic number, because the mean of its divisors is an integer number (27628372).

Almost surely, 2^55256743 is an apocalyptic number.

55256743 is a deficient number, since it is larger than the sum of its proper divisors (1).

55256743 is an equidigital number, since it uses as much as digits as its factorization.

55256743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126000, while the sum is 37.

The square root of 55256743 is about 7433.4879430857. The cubic root of 55256743 is about 380.8860740059.

The spelling of 55256743 in words is "fifty-five million, two hundred fifty-six thousand, seven hundred forty-three".