50133553 has 4 divisors (see below), whose sum is σ = 50820388. Its totient is φ = 49446720.

The previous prime is 50133509. The next prime is 50133563. The reversal of 50133553 is 35533105.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35533105 = 5 ⋅7106621.

It can be written as a sum of positive squares in 2 ways, for example, as 23590449 + 26543104 = 4857^2 + 5152^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50133553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50133563) 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, 343308 + ... + 343453.

It is an arithmetic number, because the mean of its divisors is an integer number (12705097).

Almost surely, 2^50133553 is an apocalyptic number.

It is an amenable number.

50133553 is a deficient number, since it is larger than the sum of its proper divisors (686835).

50133553 is an equidigital number, since it uses as much as digits as its factorization.

50133553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686834.

The product of its (nonzero) digits is 3375, while the sum is 25.

The square root of 50133553 is about 7080.5051373472. The cubic root of 50133553 is about 368.7308672252.

Adding to 50133553 its reverse (35533105), we get a palindrome (85666658).

The spelling of 50133553 in words is "fifty million, one hundred thirty-three thousand, five hundred fifty-three".