1553132523 has 32 divisors (see below), whose sum is σ = 2327592960. Its totient is φ = 916423200.

The previous prime is 1553132513. The next prime is 1553132527. The reversal of 1553132523 is 3252313551.

It is not a de Polignac number, because 1553132523 - 2⁵ = 1553132491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1553132527) 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 31 ways as a sum of consecutive naturals, for example, 42598 + ... + 70148.

It is an arithmetic number, because the mean of its divisors is an integer number (72737280).

Almost surely, 2^1553132523 is an apocalyptic number.

1553132523 is a deficient number, since it is larger than the sum of its proper divisors (774460437).

1553132523 is a wasteful number, since it uses less digits than its factorization.

1553132523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27639.

The product of its digits is 13500, while the sum is 30.

The square root of 1553132523 is about 39409.8023719988. The cubic root of 1553132523 is about 1158.0736266764.

The spelling of 1553132523 in words is "one billion, five hundred fifty-three million, one hundred thirty-two thousand, five hundred twenty-three".