2552766489 has 128 divisors (see below), whose sum is σ = 4945920000. Its totient is φ = 1263631104.

The previous prime is 2552766487. The next prime is 2552766533. The reversal of 2552766489 is 9846672552.

2552766489 is a `hidden beast` number, since 2 + 552 + 7 + 6 + 6 + 4 + 89 = 666.

It is not a de Polignac number, because 2552766489 - 2¹ = 2552766487 is a prime.

It is a super-2 number, since 2×2552766489² = 13033233494722774242, which contains 22 as substring.

It is a hoax number, since the sum of its digits (54) 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 (2552766487) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6955584 + ... + 6955950.

It is an arithmetic number, because the mean of its divisors is an integer number (38640000).

Almost surely, 2^2552766489 is an apocalyptic number.

It is an amenable number.

2552766489 is a deficient number, since it is larger than the sum of its proper divisors (2393153511).

2552766489 is a wasteful number, since it uses less digits than its factorization.

2552766489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 558 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The square root of 2552766489 is about 50524.9095892313. The cubic root of 2552766489 is about 1366.6910908650.

The spelling of 2552766489 in words is "two billion, five hundred fifty-two million, seven hundred sixty-six thousand, four hundred eighty-nine".