53133555 has 16 divisors (see below), whose sum is σ = 85526784. Its totient is φ = 28166880.

The previous prime is 53133527. The next prime is 53133559. The reversal of 53133555 is 55533135.

53133555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53133555 - 2⁵ = 53133523 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (53133559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8101 + ... + 13110.

It is an arithmetic number, because the mean of its divisors is an integer number (5345424).

Almost surely, 2^53133555 is an apocalyptic number.

53133555 is a deficient number, since it is larger than the sum of its proper divisors (32393229).

53133555 is a wasteful number, since it uses less digits than its factorization.

53133555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21386.

The product of its digits is 16875, while the sum is 30.

The square root of 53133555 is about 7289.2767130903. The cubic root of 53133555 is about 375.9438269600.

The spelling of 53133555 in words is "fifty-three million, one hundred thirty-three thousand, five hundred fifty-five".