51555043 has 8 divisors (see below), whose sum is σ = 52218000. Its totient is φ = 50896608.

The previous prime is 51554969. The next prime is 51555047. The reversal of 51555043 is 34055515.

51555043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51555043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51555047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25705 + ... + 27637.

It is an arithmetic number, because the mean of its divisors is an integer number (6527250).

Almost surely, 2^51555043 is an apocalyptic number.

51555043 is a deficient number, since it is larger than the sum of its proper divisors (662957).

51555043 is a wasteful number, since it uses less digits than its factorization.

51555043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 51555043 is about 7180.1840505658. The cubic root of 51555043 is about 372.1834447100.

The spelling of 51555043 in words is "fifty-one million, five hundred fifty-five thousand, forty-three".