25555060 has 12 divisors (see below), whose sum is σ = 53665668. Its totient is φ = 10222016.

The previous prime is 25555039. The next prime is 25555069. The reversal of 25555060 is 6055552.

It can be written as a sum of positive squares in 2 ways, for example, as 16337764 + 9217296 = 4042^2 + 3036^2 .

It is a super-2 number, since 2×25555060² = 1306122183207200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25555069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638857 + ... + 638896.

It is an arithmetic number, because the mean of its divisors is an integer number (4472139).

Almost surely, 2^25555060 is an apocalyptic number.

25555060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25555060 is an abundant number, since it is smaller than the sum of its proper divisors (28110608).

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

25555060 is a wasteful number, since it uses less digits than its factorization.

25555060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277762 (or 1277760 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 25555060 is about 5055.2012818482. The cubic root of 25555060 is about 294.5499601529.

The spelling of 25555060 in words is "twenty-five million, five hundred fifty-five thousand, sixty".