25552505010 has 32 divisors (see below), whose sum is σ = 64933425792. Its totient is φ = 6413177600.

The previous prime is 25552505003. The next prime is 25552505023. The reversal of 25552505010 is 1050525552.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25050966 + ... + 25051985.

It is an arithmetic number, because the mean of its divisors is an integer number (2029169556).

Almost surely, 2^25552505010 is an apocalyptic number.

25552505010 is an abundant number, since it is smaller than the sum of its proper divisors (39380920782).

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

25552505010 is a wasteful number, since it uses less digits than its factorization.

25552505010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50102978.

The product of its (nonzero) digits is 12500, while the sum is 30.

The spelling of 25552505010 in words is "twenty-five billion, five hundred fifty-two million, five hundred five thousand, ten".