54640573 has 24 divisors (see below), whose sum is σ = 61968192. Its totient is φ = 48117888.

The previous prime is 54640559. The next prime is 54640583. The reversal of 54640573 is 37504645.

It is a happy number.

It is not a de Polignac number, because 54640573 - 2²⁵ = 21086141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54640543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 530440 + ... + 530542.

It is an arithmetic number, because the mean of its divisors is an integer number (2582008).

Almost surely, 2^54640573 is an apocalyptic number.

It is an amenable number.

54640573 is a deficient number, since it is larger than the sum of its proper divisors (7327619).

54640573 is a wasteful number, since it uses less digits than its factorization.

54640573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 54640573 is about 7391.9262036360. The cubic root of 54640573 is about 379.4650205024.

The spelling of 54640573 in words is "fifty-four million, six hundred forty thousand, five hundred seventy-three".