51004535 has 8 divisors (see below), whose sum is σ = 61243776. Its totient is φ = 40778080.

The previous prime is 51004519. The next prime is 51004549. The reversal of 51004535 is 53540015.

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

It is not a de Polignac number, because 51004535 - 2⁴ = 51004519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51004535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14225 + ... + 17445.

It is an arithmetic number, because the mean of its divisors is an integer number (7655472).

Almost surely, 2^51004535 is an apocalyptic number.

51004535 is a deficient number, since it is larger than the sum of its proper divisors (10239241).

51004535 is a wasteful number, since it uses less digits than its factorization.

51004535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6393.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 51004535 is about 7141.7459349938. The cubic root of 51004535 is about 370.8539685806.

The spelling of 51004535 in words is "fifty-one million, four thousand, five hundred thirty-five".