53002220 has 24 divisors (see below), whose sum is σ = 111712608. Its totient is φ = 21123200.

The previous prime is 53002211. The next prime is 53002247. The reversal of 53002220 is 2220035.

It is a junction number, because it is equal to n+sod(n) for n = 53002195 and 53002204.

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, 905 + ... + 10335.

It is an arithmetic number, because the mean of its divisors is an integer number (4654692).

Almost surely, 2^53002220 is an apocalyptic number.

It is an amenable number.

53002220 is an abundant number, since it is smaller than the sum of its proper divisors (58710388).

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

53002220 is a wasteful number, since it uses less digits than its factorization.

53002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9721 (or 9719 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 53002220 is about 7280.2623579099. The cubic root of 53002220 is about 375.6338199743.

Adding to 53002220 its reverse (2220035), we get a palindrome (55222255).

The spelling of 53002220 in words is "fifty-three million, two thousand, two hundred twenty".