51030133 has 16 divisors (see below), whose sum is σ = 64120320. Its totient is φ = 39452400.

The previous prime is 51030101. The next prime is 51030137. The reversal of 51030133 is 33103015.

It is a cyclic number.

It is not a de Polignac number, because 51030133 - 2⁵ = 51030101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51030137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7558 + ... + 12616.

It is an arithmetic number, because the mean of its divisors is an integer number (4007520).

Almost surely, 2^51030133 is an apocalyptic number.

It is an amenable number.

51030133 is a deficient number, since it is larger than the sum of its proper divisors (13090187).

51030133 is a wasteful number, since it uses less digits than its factorization.

51030133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5208.

The product of its (nonzero) digits is 135, while the sum is 16.

The square root of 51030133 is about 7143.5378489933. The cubic root of 51030133 is about 370.9159992229.

Adding to 51030133 its reverse (33103015), we get a palindrome (84133148).

The spelling of 51030133 in words is "fifty-one million, thirty thousand, one hundred thirty-three".