27553133464 has 16 divisors (see below), whose sum is σ = 51663946320. Its totient is φ = 13776081120.

The previous prime is 27553133449. The next prime is 27553133473. The reversal of 27553133464 is 46433135572.

It is a self number, because there is not a number n which added to its sum of digits gives 27553133464.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323422 + ... + 399634.

It is an arithmetic number, because the mean of its divisors is an integer number (3228996645).

Almost surely, 2^27553133464 is an apocalyptic number.

It is an amenable number.

27553133464 is a deficient number, since it is larger than the sum of its proper divisors (24110812856).

27553133464 is a wasteful number, since it uses less digits than its factorization.

27553133464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121410 (or 121406 counting only the distinct ones).

The product of its digits is 907200, while the sum is 43.

The spelling of 27553133464 in words is "twenty-seven billion, five hundred fifty-three million, one hundred thirty-three thousand, four hundred sixty-four".