55358533 has 4 divisors (see below), whose sum is σ = 58272160. Its totient is φ = 52444908.

The previous prime is 55358521. The next prime is 55358543. The reversal of 55358533 is 33585355.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55358533 - 2⁹ = 55358021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55358492 and 55358501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55358503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1456785 + ... + 1456822.

It is an arithmetic number, because the mean of its divisors is an integer number (14568040).

Almost surely, 2^55358533 is an apocalyptic number.

It is an amenable number.

55358533 is a deficient number, since it is larger than the sum of its proper divisors (2913627).

55358533 is a wasteful number, since it uses less digits than its factorization.

55358533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2913626.

The product of its digits is 135000, while the sum is 37.

The square root of 55358533 is about 7440.3315114315. The cubic root of 55358533 is about 381.1198108558.

The spelling of 55358533 in words is "fifty-five million, three hundred fifty-eight thousand, five hundred thirty-three".