55056573 has 36 divisors (see below), whose sum is σ = 94161340. Its totient is φ = 30792960.

The previous prime is 55056571. The next prime is 55056577. The reversal of 55056573 is 37565055.

55056573 is a `hidden beast` number, since 550 + 56 + 57 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23213124 + 31843449 = 4818^2 + 5643^2 .

It is not a de Polignac number, because 55056573 - 2¹ = 55056571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55056571) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12213 + ... + 16101.

Almost surely, 2^55056573 is an apocalyptic number.

It is an amenable number.

55056573 is a deficient number, since it is larger than the sum of its proper divisors (39104767).

55056573 is a wasteful number, since it uses less digits than its factorization.

55056573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930 (or 3916 counting only the distinct ones).

The product of its (nonzero) digits is 78750, while the sum is 36.

The square root of 55056573 is about 7420.0116576728. The cubic root of 55056573 is about 380.4255919585.

The spelling of 55056573 in words is "fifty-five million, fifty-six thousand, five hundred seventy-three".