53880020 has 12 divisors (see below), whose sum is σ = 113148084. Its totient is φ = 21552000.

The previous prime is 53880011. The next prime is 53880023. The reversal of 53880020 is 2008835.

It can be written as a sum of positive squares in 2 ways, for example, as 5827396 + 48052624 = 2414^2 + 6932^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53880023) 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, 1346981 + ... + 1347020.

It is an arithmetic number, because the mean of its divisors is an integer number (9429007).

Almost surely, 2^53880020 is an apocalyptic number.

It is an amenable number.

53880020 is an abundant number, since it is smaller than the sum of its proper divisors (59268064).

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

53880020 is a wasteful number, since it uses less digits than its factorization.

53880020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694010 (or 2694008 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 53880020 is about 7340.3010837431. The cubic root of 53880020 is about 377.6961715951.

Adding to 53880020 its reverse (2008835), we get a palindrome (55888855).

The spelling of 53880020 in words is "fifty-three million, eight hundred eighty thousand, twenty".