55606743 has 10 divisors (see below), whose sum is σ = 83066984. Its totient is φ = 37071108.

The previous prime is 55606721. The next prime is 55606751. The reversal of 55606743 is 34760655.

55606743 is a `hidden beast` number, since 5 + 5 + 606 + 7 + 43 = 666.

It is not a de Polignac number, because 55606743 - 2⁶ = 55606679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55606698 and 55606707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55606753) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 343171 + ... + 343332.

Almost surely, 2^55606743 is an apocalyptic number.

55606743 is a deficient number, since it is larger than the sum of its proper divisors (27460241).

55606743 is an equidigital number, since it uses as much as digits as its factorization.

55606743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686515 (or 686506 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 55606743 is about 7456.9928925808. The cubic root of 55606743 is about 381.6885682043.

The spelling of 55606743 in words is "fifty-five million, six hundred six thousand, seven hundred forty-three".