51342004535 has 8 divisors (see below), whose sum is σ = 64853058480. Its totient is φ = 38911834944.

The previous prime is 51342004531. The next prime is 51342004543. The reversal of 51342004535 is 53540024315.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 51342004535 - 2² = 51342004531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51342004531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270220982 + ... + 270221171.

It is an arithmetic number, because the mean of its divisors is an integer number (8106632310).

Almost surely, 2^51342004535 is an apocalyptic number.

51342004535 is a deficient number, since it is larger than the sum of its proper divisors (13511053945).

51342004535 is a wasteful number, since it uses less digits than its factorization.

51342004535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540442177.

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 51342004535 in words is "fifty-one billion, three hundred forty-two million, four thousand, five hundred thirty-five".