54520545 has 16 divisors (see below), whose sum is σ = 88463232. Its totient is φ = 28667520.

The previous prime is 54520523. The next prime is 54520553. The reversal of 54520545 is 54502545.

It is not a de Polignac number, because 54520545 - 2¹⁷ = 54389473 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24532 + ... + 26661.

It is an arithmetic number, because the mean of its divisors is an integer number (5528952).

Almost surely, 2^54520545 is an apocalyptic number.

It is an amenable number.

54520545 is a deficient number, since it is larger than the sum of its proper divisors (33942687).

54520545 is a wasteful number, since it uses less digits than its factorization.

54520545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51272.

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 54520545 is about 7383.8028819843. The cubic root of 54520545 is about 379.1869620555.

Subtracting from 54520545 its product of nonzero digits (20000), we obtain a palindrome (54500545).

The spelling of 54520545 in words is "fifty-four million, five hundred twenty thousand, five hundred forty-five".