25055480 has 32 divisors (see below), whose sum is σ = 56525040. Its totient is φ = 9995520.

The previous prime is 25055461. The next prime is 25055489. The reversal of 25055480 is 8455052.

25055480 is nontrivially palindromic in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25055489) 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, 22292 + ... + 23388.

Almost surely, 2^25055480 is an apocalyptic number.

25055480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25055480 is an abundant number, since it is smaller than the sum of its proper divisors (31469560).

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

25055480 is a wasteful number, since it uses less digits than its factorization.

25055480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679 (or 1675 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 25055480 is about 5005.5449253803. The cubic root of 25055480 is about 292.6179133533.

The spelling of 25055480 in words is "twenty-five million, fifty-five thousand, four hundred eighty".