51033042 has 12 divisors (see below), whose sum is σ = 110571630. Its totient is φ = 17011008.

The previous prime is 51033019. The next prime is 51033043. The reversal of 51033042 is 24033015.

51033042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 28933641 + 22099401 = 5379^2 + 4701^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2835169 = 51033042 / (5 + 1 + 0 + 3 + 3 + 0 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51033043) 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 5 ways as a sum of consecutive naturals, for example, 1417567 + ... + 1417602.

Almost surely, 2^51033042 is an apocalyptic number.

51033042 is an abundant number, since it is smaller than the sum of its proper divisors (59538588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51033042 is a wasteful number, since it uses less digits than its factorization.

51033042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835177 (or 2835174 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 51033042 is about 7143.7414566878. The cubic root of 51033042 is about 370.9230471772.

Adding to 51033042 its reverse (24033015), we get a palindrome (75066057).

The spelling of 51033042 in words is "fifty-one million, thirty-three thousand, forty-two".