7550564 has 12 divisors (see below), whose sum is σ = 15101184. Its totient is φ = 3235944.

The previous prime is 7550563. The next prime is 7550573. The reversal of 7550564 is 4650557.

It is a happy number.

7550564 is an admirable number.

It is a super-2 number, since 2×7550564² = 114022033436192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7550564.

It is not an unprimeable number, because it can be changed into a prime (7550563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134804 + ... + 134859.

It is an arithmetic number, because the mean of its divisors is an integer number (1258432).

Almost surely, 2^7550564 is an apocalyptic number.

It is an amenable number.

7550564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7550564 is a wasteful number, since it uses less digits than its factorization.

7550564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269674 (or 269672 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 7550564 is about 2747.8289611983. The cubic root of 7550564 is about 196.1822891079.

The spelling of 7550564 in words is "seven million, five hundred fifty thousand, five hundred sixty-four".