54520420 has 24 divisors (see below), whose sum is σ = 114710904. Its totient is φ = 21766656.

The previous prime is 54520409. The next prime is 54520439. The reversal of 54520420 is 2402545.

It can be written as a sum of positive squares in 4 ways, for example, as 820836 + 53699584 = 906^2 + 7328^2 .

It is a junction number, because it is equal to n+sod(n) for n = 54520391 and 54520400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9562 + ... + 14158.

It is an arithmetic number, because the mean of its divisors is an integer number (4779621).

Almost surely, 2^54520420 is an apocalyptic number.

It is an amenable number.

54520420 is an abundant number, since it is smaller than the sum of its proper divisors (60190484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54520420 is a wasteful number, since it uses less digits than its factorization.

54520420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5199 (or 5197 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 54520420 is about 7383.7944175065. The cubic root of 54520420 is about 379.1866722662.

Adding to 54520420 its reverse (2402545), we get a palindrome (56922965).

The spelling of 54520420 in words is "fifty-four million, five hundred twenty thousand, four hundred twenty".