55530523 has 8 divisors (see below), whose sum is σ = 57067920. Its totient is φ = 54001920.

The previous prime is 55530511. The next prime is 55530529. The reversal of 55530523 is 32503555.

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

It is not a de Polignac number, because 55530523 - 2⁵ = 55530491 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55530491 and 55530500.

It is not an unprimeable number, because it can be changed into a prime (55530529) 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, 11808 + ... + 15826.

It is an arithmetic number, because the mean of its divisors is an integer number (7133490).

Almost surely, 2^55530523 is an apocalyptic number.

55530523 is a deficient number, since it is larger than the sum of its proper divisors (1537397).

55530523 is a wasteful number, since it uses less digits than its factorization.

55530523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4397.

The product of its (nonzero) digits is 11250, while the sum is 28.

The square root of 55530523 is about 7451.8805009206. The cubic root of 55530523 is about 381.5140953288.

The spelling of 55530523 in words is "fifty-five million, five hundred thirty thousand, five hundred twenty-three".