51542033234 has 8 divisors (see below), whose sum is σ = 77315137788. Its totient is φ = 25770320640.

The previous prime is 51542033233. The next prime is 51542033237. The reversal of 51542033234 is 43233024515.

It can be written as a sum of positive squares in 2 ways, for example, as 51009577609 + 532455625 = 225853^2 + 23075^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 51542033234.

It is not an unprimeable number, because it can be changed into a prime (51542033233) 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, 249887 + ... + 406850.

Almost surely, 2^51542033234 is an apocalyptic number.

51542033234 is a deficient number, since it is larger than the sum of its proper divisors (25773104554).

51542033234 is a wasteful number, since it uses less digits than its factorization.

51542033234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695980.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 51542033234 its reverse (43233024515), we get a palindrome (94775057749).

The spelling of 51542033234 in words is "fifty-one billion, five hundred forty-two million, thirty-three thousand, two hundred thirty-four".