51324172043 has 8 divisors (see below), whose sum is σ = 55283260416. Its totient is φ = 47509050600.

The previous prime is 51324172037. The next prime is 51324172049. The reversal of 51324172043 is 34027142315.

It is an interprime number because it is at equal distance from previous prime (51324172037) and next prime (51324172049).

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 51324172043 - 2⁴ = 51324172027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51324172049) 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, 35990993 + ... + 35992418.

It is an arithmetic number, because the mean of its divisors is an integer number (6910407552).

Almost surely, 2^51324172043 is an apocalyptic number.

51324172043 is a deficient number, since it is larger than the sum of its proper divisors (3959088373).

51324172043 is a wasteful number, since it uses less digits than its factorization.

51324172043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71983465.

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 51324172043 in words is "fifty-one billion, three hundred twenty-four million, one hundred seventy-two thousand, forty-three".