51540927 has 8 divisors (see below), whose sum is σ = 68756016. Its totient is φ = 34343232.

The previous prime is 51540911. The next prime is 51540947. The reversal of 51540927 is 72904515.

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

It is not a de Polignac number, because 51540927 - 2⁴ = 51540911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51540947) 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, 6283 + ... + 11939.

It is an arithmetic number, because the mean of its divisors is an integer number (8594502).

Almost surely, 2^51540927 is an apocalyptic number.

51540927 is a deficient number, since it is larger than the sum of its proper divisors (17215089).

51540927 is a wasteful number, since it uses less digits than its factorization.

51540927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8697.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 51540927 is about 7179.2010001114. The cubic root of 51540927 is about 372.1494731153.

The spelling of 51540927 in words is "fifty-one million, five hundred forty thousand, nine hundred twenty-seven".