25005050055 has 16 divisors (see below), whose sum is σ = 44453422560. Its totient is φ = 13336026624.

The previous prime is 25005050039. The next prime is 25005050069. The reversal of 25005050055 is 55005050052.

It is a happy number.

It is not a de Polignac number, because 25005050055 - 2⁴ = 25005050039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 92611162 + ... + 92611431.

It is an arithmetic number, because the mean of its divisors is an integer number (2778338910).

Almost surely, 2^25005050055 is an apocalyptic number.

25005050055 is a deficient number, since it is larger than the sum of its proper divisors (19448372505).

25005050055 is a wasteful number, since it uses less digits than its factorization.

25005050055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185222607 (or 185222601 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 27.

The spelling of 25005050055 in words is "twenty-five billion, five million, fifty thousand, fifty-five".