655750564 has 24 divisors (see below), whose sum is σ = 1353809408. Its totient is φ = 271969920.

The previous prime is 655750561. The next prime is 655750567. The reversal of 655750564 is 465057556.

It is an interprime number because it is at equal distance from previous prime (655750561) and next prime (655750567).

It is a self number, because there is not a number n which added to its sum of digits gives 655750564.

It is not an unprimeable number, because it can be changed into a prime (655750561) 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, 376869 + ... + 378604.

Almost surely, 2^655750564 is an apocalyptic number.

It is an amenable number.

655750564 is an abundant number, since it is smaller than the sum of its proper divisors (698058844).

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

655750564 is a wasteful number, since it uses less digits than its factorization.

655750564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755515 (or 755513 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 43.

The square root of 655750564 is about 25607.6270669502. The cubic root of 655750564 is about 868.7861541188.

It can be divided in two parts, 6557 and 50564, that added together give a square (57121 = 239²).

The spelling of 655750564 in words is "six hundred fifty-five million, seven hundred fifty thousand, five hundred sixty-four".