2553502420 has 24 divisors (see below), whose sum is σ = 6128406144. Its totient is φ = 875486496.

The previous prime is 2553502409. The next prime is 2553502439. The reversal of 2553502420 is 242053552.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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, 9119512 + ... + 9119791.

It is an arithmetic number, because the mean of its divisors is an integer number (255350256).

Almost surely, 2^2553502420 is an apocalyptic number.

2553502420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2553502420 is an abundant number, since it is smaller than the sum of its proper divisors (3574903724).

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

2553502420 is a wasteful number, since it uses less digits than its factorization.

2553502420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18239319 (or 18239317 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 2553502420 is about 50532.1919176281. The cubic root of 2553502420 is about 1366.8224116247.

Adding to 2553502420 its reverse (242053552), we get a palindrome (2795555972).

The spelling of 2553502420 in words is "two billion, five hundred fifty-three million, five hundred two thousand, four hundred twenty".