2554566564 has 24 divisors (see below), whose sum is σ = 6502533408. Its totient is φ = 774111040.

The previous prime is 2554566559. The next prime is 2554566569. The reversal of 2554566564 is 4656654552.

It is an interprime number because it is at equal distance from previous prime (2554566559) and next prime (2554566569).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2554566569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9676257 + ... + 9676520.

It is an arithmetic number, because the mean of its divisors is an integer number (270938892).

Almost surely, 2^2554566564 is an apocalyptic number.

It is an amenable number.

2554566564 is an abundant number, since it is smaller than the sum of its proper divisors (3947966844).

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

2554566564 is a wasteful number, since it uses less digits than its factorization.

2554566564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19352795 (or 19352793 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 48.

The square root of 2554566564 is about 50542.7201879756. The cubic root of 2554566564 is about 1367.0122546491.

The spelling of 2554566564 in words is "two billion, five hundred fifty-four million, five hundred sixty-six thousand, five hundred sixty-four".