10551564 has 18 divisors (see below), whose sum is σ = 26672100. Its totient is φ = 3517176.

The previous prime is 10551559. The next prime is 10551581. The reversal of 10551564 is 46515501.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×10551564² = 222671005692192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146514 + ... + 146585.

Almost surely, 2^10551564 is an apocalyptic number.

It is an amenable number.

10551564 is an abundant number, since it is smaller than the sum of its proper divisors (16120536).

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

10551564 is a wasteful number, since it uses less digits than its factorization.

10551564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293109 (or 293104 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 10551564 is about 3248.3171027472. The cubic root of 10551564 is about 219.3338250334. Note that the first 3 decimals are identical.

The spelling of 10551564 in words is "ten million, five hundred fifty-one thousand, five hundred sixty-four".