2553665430 has 32 divisors (see below), whose sum is σ = 6197666400. Its totient is φ = 673325312.

The previous prime is 2553665423. The next prime is 2553665431. The reversal of 2553665430 is 345663552.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553665431) by changing a digit.

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, 475545 + ... + 480884.

It is an arithmetic number, because the mean of its divisors is an integer number (193677075).

Almost surely, 2^2553665430 is an apocalyptic number.

2553665430 is an abundant number, since it is smaller than the sum of its proper divisors (3644000970).

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

2553665430 is a wasteful number, since it uses less digits than its factorization.

2553665430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956528.

The product of its (nonzero) digits is 324000, while the sum is 39.

The square root of 2553665430 is about 50533.8048240977. The cubic root of 2553665430 is about 1366.8514959886.

The spelling of 2553665430 in words is "two billion, five hundred fifty-three million, six hundred sixty-five thousand, four hundred thirty".