2555061504 has 72 divisors (see below), whose sum is σ = 6808236960. Its totient is φ = 850679808.

The previous prime is 2555061503. The next prime is 2555061511. The reversal of 2555061504 is 4051605552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555061503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 942519 + ... + 945225.

Almost surely, 2^2555061504 is an apocalyptic number.

2555061504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2555061504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3404118480).

2555061504 is an abundant number, since it is smaller than the sum of its proper divisors (4253175456).

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

2555061504 is a wasteful number, since it uses less digits than its factorization.

2555061504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3955 (or 3941 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 2555061504 is about 50547.6162049211. The cubic root of 2555061504 is about 1367.1005338591.

The spelling of 2555061504 in words is "two billion, five hundred fifty-five million, sixty-one thousand, five hundred four".