25527550530 has 16 divisors (see below), whose sum is σ = 61266121344. Its totient is φ = 6807346800.

The previous prime is 25527550519. The next prime is 25527550537. The reversal of 25527550530 is 3505572552.

It is not an unprimeable number, because it can be changed into a prime (25527550537) 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, 425459146 + ... + 425459205.

It is an arithmetic number, because the mean of its divisors is an integer number (3829132584).

Almost surely, 2^25527550530 is an apocalyptic number.

25527550530 is an abundant number, since it is smaller than the sum of its proper divisors (35738570814).

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

25527550530 is a wasteful number, since it uses less digits than its factorization.

25527550530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850918361.

The product of its (nonzero) digits is 262500, while the sum is 39.

The spelling of 25527550530 in words is "twenty-five billion, five hundred twenty-seven million, five hundred fifty thousand, five hundred thirty".