51436545 has 16 divisors (see below), whose sum is σ = 82762560. Its totient is φ = 27278144.

The previous prime is 51436537. The next prime is 51436559. The reversal of 51436545 is 54563415.

It is a cyclic number.

It is not a de Polignac number, because 51436545 - 2³ = 51436537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6894 + ... + 12263.

It is an arithmetic number, because the mean of its divisors is an integer number (5172660).

Almost surely, 2^51436545 is an apocalyptic number.

It is an amenable number.

51436545 is a deficient number, since it is larger than the sum of its proper divisors (31326015).

51436545 is a wasteful number, since it uses less digits than its factorization.

51436545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19344.

The product of its digits is 36000, while the sum is 33.

The square root of 51436545 is about 7171.9275651668. The cubic root of 51436545 is about 371.8980744574.

The spelling of 51436545 in words is "fifty-one million, four hundred thirty-six thousand, five hundred forty-five".