51200043 has 8 divisors (see below), whose sum is σ = 68416656. Its totient is φ = 34058400.

The previous prime is 51200027. The next prime is 51200053. The reversal of 51200043 is 34000215.

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

It is not a de Polignac number, because 51200043 - 2⁴ = 51200027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51199995 and 51200031.

It is not an unprimeable number, because it can be changed into a prime (51200053) 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, 17128 + ... + 19893.

It is an arithmetic number, because the mean of its divisors is an integer number (8552082).

Almost surely, 2^51200043 is an apocalyptic number.

51200043 is a deficient number, since it is larger than the sum of its proper divisors (17216613).

51200043 is a wasteful number, since it uses less digits than its factorization.

51200043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37485.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 51200043 is about 7155.4205327150. The cubic root of 51200043 is about 371.3272106412.

Adding to 51200043 its reverse (34000215), we get a palindrome (85200258).

The spelling of 51200043 in words is "fifty-one million, two hundred thousand, forty-three".