56554133 has 4 divisors (see below), whose sum is σ = 56585100. Its totient is φ = 56523168.

The previous prime is 56554123. The next prime is 56554151. The reversal of 56554133 is 33145565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33145565 = 5 ⋅6629113.

It can be written as a sum of positive squares in 2 ways, for example, as 27899524 + 28654609 = 5282^2 + 5353^2 .

It is a cyclic number.

It is not a de Polignac number, because 56554133 - 2⁴ = 56554117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56554133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56554103) 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, 12560 + ... + 16457.

It is an arithmetic number, because the mean of its divisors is an integer number (14146275).

Almost surely, 2^56554133 is an apocalyptic number.

It is an amenable number.

56554133 is a deficient number, since it is larger than the sum of its proper divisors (30967).

56554133 is a wasteful number, since it uses less digits than its factorization.

56554133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30966.

The product of its digits is 27000, while the sum is 32.

The square root of 56554133 is about 7520.2482006913. The cubic root of 56554133 is about 383.8440234763.

Adding to 56554133 its reverse (33145565), we get a palindrome (89699698).

The spelling of 56554133 in words is "fifty-six million, five hundred fifty-four thousand, one hundred thirty-three".