54520573 has 4 divisors (see below), whose sum is σ = 55994140. Its totient is φ = 53047008.

The previous prime is 54520567. The next prime is 54520577. The reversal of 54520573 is 37502545.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34833604 + 19686969 = 5902^2 + 4437^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54520573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54520577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736728 + ... + 736801.

It is an arithmetic number, because the mean of its divisors is an integer number (13998535).

Almost surely, 2^54520573 is an apocalyptic number.

It is an amenable number.

54520573 is a deficient number, since it is larger than the sum of its proper divisors (1473567).

54520573 is a wasteful number, since it uses less digits than its factorization.

54520573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473566.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 54520573 is about 7383.8047780260. The cubic root of 54520573 is about 379.1870269682.

The spelling of 54520573 in words is "fifty-four million, five hundred twenty thousand, five hundred seventy-three".