51043554074 has 8 divisors (see below), whose sum is σ = 80595085440. Its totient is φ = 24178525596.

The previous prime is 51043554073. The next prime is 51043554101. The reversal of 51043554074 is 47045534015.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 1343251423 = 51043554074 / (5 + 1 + 0 + 4 + 3 + 5 + 5 + 4 + 0 + 7 + 4).

It is not an unprimeable number, because it can be changed into a prime (51043554073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671625674 + ... + 671625749.

It is an arithmetic number, because the mean of its divisors is an integer number (10074385680).

Almost surely, 2^51043554074 is an apocalyptic number.

51043554074 is a deficient number, since it is larger than the sum of its proper divisors (29551531366).

51043554074 is a wasteful number, since it uses less digits than its factorization.

51043554074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343251444.

The product of its (nonzero) digits is 168000, while the sum is 38.

The spelling of 51043554074 in words is "fifty-one billion, forty-three million, five hundred fifty-four thousand, seventy-four".