6890488550 has 24 divisors (see below), whose sum is σ = 13981428792. Its totient is φ = 2505632000.

The previous prime is 6890488543. The next prime is 6890488573. The reversal of 6890488550 is 558840986.

It is a super-2 number, since 2×6890488550² = 94957664915362205000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6890488492 and 6890488501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6263531 + ... + 6264630.

It is an arithmetic number, because the mean of its divisors is an integer number (582559533).

Almost surely, 2^6890488550 is an apocalyptic number.

6890488550 is an abundant number, since it is smaller than the sum of its proper divisors (7090940242).

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

6890488550 is a wasteful number, since it uses less digits than its factorization.

6890488550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12528184 (or 12528179 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 53.

The square root of 6890488550 is about 83008.9666843287. The cubic root of 6890488550 is about 1902.9030919905.

The spelling of 6890488550 in words is "six billion, eight hundred ninety million, four hundred eighty-eight thousand, five hundred fifty".