2555611604 has 192 divisors, whose sum is σ = 6093373440. Its totient is φ = 910103040.

The previous prime is 2555611601. The next prime is 2555611621. The reversal of 2555611604 is 4061165552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555611601) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11159762 + ... + 11159990.

It is an arithmetic number, because the mean of its divisors is an integer number (31736320).

Almost surely, 2^2555611604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2555611604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3046686720).

2555611604 is an abundant number, since it is smaller than the sum of its proper divisors (3537761836).

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

2555611604 is a wasteful number, since it uses less digits than its factorization.

2555611604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 2555611604 is about 50553.0573160516. The cubic root of 2555611604 is about 1367.1986382215.

The spelling of 2555611604 in words is "two billion, five hundred fifty-five million, six hundred eleven thousand, six hundred four".