132321553 has 32 divisors (see below), whose sum is σ = 171343872. Its totient is φ = 99316800.

The previous prime is 132321533. The next prime is 132321559. The reversal of 132321553 is 355123231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132321553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (132321559) 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, 399598 + ... + 399928.

It is an arithmetic number, because the mean of its divisors is an integer number (5354496).

Almost surely, 2^132321553 is an apocalyptic number.

132321553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

132321553 is a deficient number, since it is larger than the sum of its proper divisors (39022319).

132321553 is a wasteful number, since it uses less digits than its factorization.

132321553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565.

The product of its digits is 2700, while the sum is 25.

The square root of 132321553 is about 11503.1105793172. The cubic root of 132321553 is about 509.5774444304.

Adding to 132321553 its reverse (355123231), we get a palindrome (487444784).

The spelling of 132321553 in words is "one hundred thirty-two million, three hundred twenty-one thousand, five hundred fifty-three".