51234541033 has 4 divisors (see below), whose sum is σ = 55175659588. Its totient is φ = 47293422480.

The previous prime is 51234541031. The next prime is 51234541139. The reversal of 51234541033 is 33014543215.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4997500249 + 46237040784 = 70693^2 + 215028^2 .

It is a cyclic number.

It is not a de Polignac number, because 51234541033 - 2¹ = 51234541031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51234540986 and 51234541004.

It is not an unprimeable number, because it can be changed into a prime (51234541031) 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, 1970559258 + ... + 1970559283.

It is an arithmetic number, because the mean of its divisors is an integer number (13793914897).

Almost surely, 2^51234541033 is an apocalyptic number.

It is an amenable number.

51234541033 is a deficient number, since it is larger than the sum of its proper divisors (3941118555).

51234541033 is a wasteful number, since it uses less digits than its factorization.

51234541033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3941118554.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 51234541033 in words is "fifty-one billion, two hundred thirty-four million, five hundred forty-one thousand, thirty-three".