25500552 has 64 divisors (see below), whose sum is σ = 79488000. Its totient is φ = 6623040.

The previous prime is 25500539. The next prime is 25500557.

25500552 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (25500557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5052 + ... + 8747.

It is an arithmetic number, because the mean of its divisors is an integer number (1242000).

Almost surely, 2^25500552 is an apocalyptic number.

25500552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25500552 is an abundant number, since it is smaller than the sum of its proper divisors (53987448).

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

25500552 is a wasteful number, since it uses less digits than its factorization.

25500552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13826 (or 13822 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 25500552 is about 5049.8071250296. The cubic root of 25500552 is about 294.3403896814.

The spelling of 25500552 in words is "twenty-five million, five hundred thousand, five hundred fifty-two".