25052753550 has 72 divisors (see below), whose sum is σ = 68292613368. Its totient is φ = 6073390400.

The previous prime is 25052753549. The next prime is 25052753567. The reversal of 25052753550 is 5535725052.

It is a junction number, because it is equal to n+sod(n) for n = 25052753499 and 25052753508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 672009 + ... + 708308.

It is an arithmetic number, because the mean of its divisors is an integer number (948508519).

Almost surely, 2^25052753550 is an apocalyptic number.

25052753550 is an abundant number, since it is smaller than the sum of its proper divisors (43239859818).

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

25052753550 is a wasteful number, since it uses less digits than its factorization.

25052753550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380354 (or 1380338 counting only the distinct ones).

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

The spelling of 25052753550 in words is "twenty-five billion, fifty-two million, seven hundred fifty-three thousand, five hundred fifty".