25712303550 has 48 divisors (see below), whose sum is σ = 63822246960. Its totient is φ = 6850621440.

The previous prime is 25712303503. The next prime is 25712303567. The reversal of 25712303550 is 5530321752.

It is a super-2 number, since 2×25712303550² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98616 + ... + 247284.

It is an arithmetic number, because the mean of its divisors is an integer number (1329630145).

Almost surely, 2^25712303550 is an apocalyptic number.

25712303550 is an abundant number, since it is smaller than the sum of its proper divisors (38109943410).

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

25712303550 is a wasteful number, since it uses less digits than its factorization.

25712303550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149837 (or 149832 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 33.

The spelling of 25712303550 in words is "twenty-five billion, seven hundred twelve million, three hundred three thousand, five hundred fifty".