1552428591 has 32 divisors (see below), whose sum is σ = 2412633600. Its totient is φ = 869554560.

The previous prime is 1552428583. The next prime is 1552428623. The reversal of 1552428591 is 1958242551.

It is not a de Polignac number, because 1552428591 - 2³ = 1552428583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552428541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 480361 + ... + 483581.

It is an arithmetic number, because the mean of its divisors is an integer number (75394800).

Almost surely, 2^1552428591 is an apocalyptic number.

1552428591 is a deficient number, since it is larger than the sum of its proper divisors (860205009).

1552428591 is a wasteful number, since it uses less digits than its factorization.

1552428591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3679.

The product of its digits is 144000, while the sum is 42.

The square root of 1552428591 is about 39400.8704345475. The cubic root of 1552428591 is about 1157.8986409057.

The spelling of 1552428591 in words is "one billion, five hundred fifty-two million, four hundred twenty-eight thousand, five hundred ninety-one".