55316743 has 2 divisors, whose sum is σ = 55316744. Its totient is φ = 55316742.

The previous prime is 55316731. The next prime is 55316783. The reversal of 55316743 is 34761355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55316743 - 2²⁵ = 21762311 is a prime.

It is a super-2 number, since 2×55316743² = 6119884112256098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55316699 and 55316708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55316783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27658371 + 27658372.

It is an arithmetic number, because the mean of its divisors is an integer number (27658372).

Almost surely, 2^55316743 is an apocalyptic number.

55316743 is a deficient number, since it is larger than the sum of its proper divisors (1).

55316743 is an equidigital number, since it uses as much as digits as its factorization.

55316743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 34.

The square root of 55316743 is about 7437.5226386210. The cubic root of 55316743 is about 381.0238846245.

The spelling of 55316743 in words is "fifty-five million, three hundred sixteen thousand, seven hundred forty-three".