1552531355 has 4 divisors (see below), whose sum is σ = 1863037632. Its totient is φ = 1242025080.

The previous prime is 1552531339. The next prime is 1552531361. The reversal of 1552531355 is 5531352551.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1552531355 - 2⁴ = 1552531339 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 155253131 + ... + 155253140.

It is an arithmetic number, because the mean of its divisors is an integer number (465759408).

Almost surely, 2^1552531355 is an apocalyptic number.

1552531355 is a deficient number, since it is larger than the sum of its proper divisors (310506277).

1552531355 is an equidigital number, since it uses as much as digits as its factorization.

1552531355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310506276.

The product of its digits is 56250, while the sum is 35.

The square root of 1552531355 is about 39402.1744958321. The cubic root of 1552531355 is about 1157.9241896215.

The spelling of 1552531355 in words is "one billion, five hundred fifty-two million, five hundred thirty-one thousand, three hundred fifty-five".