6554555464 has 8 divisors (see below), whose sum is σ = 12289791510. Its totient is φ = 3277277728.

The previous prime is 6554555461. The next prime is 6554555467. The reversal of 6554555464 is 4645554556.

It is an interprime number because it is at equal distance from previous prime (6554555461) and next prime (6554555467).

It can be written as a sum of positive squares in only one way, i.e., 6459336900 + 95218564 = 80370^2 + 9758^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (6554555461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409659709 + ... + 409659724.

Almost surely, 2^6554555464 is an apocalyptic number.

It is an amenable number.

6554555464 is a deficient number, since it is larger than the sum of its proper divisors (5735236046).

6554555464 is a wasteful number, since it uses less digits than its factorization.

6554555464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819319439 (or 819319435 counting only the distinct ones).

The product of its digits is 7200000, while the sum is 49.

The square root of 6554555464 is about 80960.2091400461. The cubic root of 6554555464 is about 1871.4622918418.

The spelling of 6554555464 in words is "six billion, five hundred fifty-four million, five hundred fifty-five thousand, four hundred sixty-four".