65480322550 has 12 divisors (see below), whose sum is σ = 121793400036. Its totient is φ = 26192129000.

The previous prime is 65480322541. The next prime is 65480322587. The reversal of 65480322550 is 5522308456.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 654803176 + ... + 654803275.

It is an arithmetic number, because the mean of its divisors is an integer number (10149450003).

Almost surely, 2^65480322550 is an apocalyptic number.

65480322550 is a deficient number, since it is larger than the sum of its proper divisors (56313077486).

65480322550 is a wasteful number, since it uses less digits than its factorization.

65480322550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309606463 (or 1309606458 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 65480322550 in words is "sixty-five billion, four hundred eighty million, three hundred twenty-two thousand, five hundred fifty".