1552866023 has 4 divisors (see below), whose sum is σ = 1553549088. Its totient is φ = 1552182960.

The previous prime is 1552866019. The next prime is 1552866059. The reversal of 1552866023 is 3206682551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3206682551 = 97 ⋅33058583.

It is a cyclic number.

It is not a de Polignac number, because 1552866023 - 2² = 1552866019 is a prime.

It is a super-2 number, since 2×1552866023² = 4822785770775673058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552866083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338111 + ... + 342672.

It is an arithmetic number, because the mean of its divisors is an integer number (388387272).

Almost surely, 2^1552866023 is an apocalyptic number.

1552866023 is a deficient number, since it is larger than the sum of its proper divisors (683065).

1552866023 is an equidigital number, since it uses as much as digits as its factorization.

1552866023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683064.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 1552866023 is about 39406.4210884470. The cubic root of 1552866023 is about 1158.0073854358.

The spelling of 1552866023 in words is "one billion, five hundred fifty-two million, eight hundred sixty-six thousand, twenty-three".