1552564653 has 16 divisors (see below), whose sum is σ = 2174601600. Its totient is φ = 983390144.

The previous prime is 1552564649. The next prime is 1552564667. The reversal of 1552564653 is 3564652551.

It is a cyclic number.

It is not a de Polignac number, because 1552564653 - 2² = 1552564649 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552564603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65226 + ... + 85787.

It is an arithmetic number, because the mean of its divisors is an integer number (135912600).

Almost surely, 2^1552564653 is an apocalyptic number.

It is an amenable number.

1552564653 is a deficient number, since it is larger than the sum of its proper divisors (622036947).

1552564653 is a wasteful number, since it uses less digits than its factorization.

1552564653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151188.

The product of its digits is 540000, while the sum is 42.

The square root of 1552564653 is about 39402.5970336982. The cubic root of 1552564653 is about 1157.9324677761.

The spelling of 1552564653 in words is "one billion, five hundred fifty-two million, five hundred sixty-four thousand, six hundred fifty-three".