55623533 has 8 divisors (see below), whose sum is σ = 63682752. Its totient is φ = 47592576.

The previous prime is 55623527. The next prime is 55623569. The reversal of 55623533 is 33532655.

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 55623533 - 2¹⁰ = 55622509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55623533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55625533) 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, 2660 + ... + 10877.

It is an arithmetic number, because the mean of its divisors is an integer number (7960344).

Almost surely, 2^55623533 is an apocalyptic number.

It is an amenable number.

55623533 is a deficient number, since it is larger than the sum of its proper divisors (8059219).

55623533 is a wasteful number, since it uses less digits than its factorization.

55623533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14131.

The product of its digits is 40500, while the sum is 32.

The square root of 55623533 is about 7458.1185965363. The cubic root of 55623533 is about 381.7269802494.

The spelling of 55623533 in words is "fifty-five million, six hundred twenty-three thousand, five hundred thirty-three".