51036545 has 16 divisors (see below), whose sum is σ = 70139520. Its totient is φ = 34923264.

The previous prime is 51036529. The next prime is 51036547. The reversal of 51036545 is 54563015.

It is a cyclic number.

It is not a de Polignac number, because 51036545 - 2⁴ = 51036529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51036547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19526 + ... + 21984.

It is an arithmetic number, because the mean of its divisors is an integer number (4383720).

Almost surely, 2^51036545 is an apocalyptic number.

It is an amenable number.

51036545 is a deficient number, since it is larger than the sum of its proper divisors (19102975).

51036545 is a wasteful number, since it uses less digits than its factorization.

51036545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3064.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 51036545 is about 7143.9866321264. The cubic root of 51036545 is about 370.9315339253.

The spelling of 51036545 in words is "fifty-one million, thirty-six thousand, five hundred forty-five".