56132521 has 8 divisors (see below), whose sum is σ = 59991840. Its totient is φ = 52335168.

The previous prime is 56132519. The next prime is 56132551. The reversal of 56132521 is 12523165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56132521 - 2¹ = 56132519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56132551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13611 + ... + 17248.

It is an arithmetic number, because the mean of its divisors is an integer number (7498980).

Almost surely, 2^56132521 is an apocalyptic number.

It is an amenable number.

56132521 is a deficient number, since it is larger than the sum of its proper divisors (3859319).

56132521 is a wasteful number, since it uses less digits than its factorization.

56132521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30983.

The product of its digits is 1800, while the sum is 25.

The square root of 56132521 is about 7492.1639731122. The cubic root of 56132521 is about 382.8877887547.

Adding to 56132521 its reverse (12523165), we get a palindrome (68655686).

It can be divided in two parts, 561 and 32521, that multiplied together give a palindrome (18244281).

The spelling of 56132521 in words is "fifty-six million, one hundred thirty-two thousand, five hundred twenty-one".