51436328423503 has 8 divisors (see below), whose sum is σ = 51493675456080. Its totient is φ = 51379011257280.

The previous prime is 51436328423497. The next prime is 51436328423563. The reversal of 51436328423503 is 30532482363415.

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 51436328423503 - 2²¹ = 51436326326351 is a prime.

It is a super-2 number, since 2×51436328423503² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51436328423563) 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, 4019350 + ... + 10909987.

It is an arithmetic number, because the mean of its divisors is an integer number (6436709432010).

Almost surely, 2^{51436328423503} is an apocalyptic number.

51436328423503 is a deficient number, since it is larger than the sum of its proper divisors (57347032577).

51436328423503 is a wasteful number, since it uses less digits than its factorization.

51436328423503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14933177.

The product of its (nonzero) digits is 6220800, while the sum is 49.

The spelling of 51436328423503 in words is "fifty-one trillion, four hundred thirty-six billion, three hundred twenty-eight million, four hundred twenty-three thousand, five hundred three".