51475043 has 2 divisors, whose sum is σ = 51475044. Its totient is φ = 51475042.

The previous prime is 51475027. The next prime is 51475051. The reversal of 51475043 is 34057415.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51475043 - 2⁴ = 51475027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51474997 and 51475015.

It is not a weakly prime, because it can be changed into another prime (51475013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25737521 + 25737522.

It is an arithmetic number, because the mean of its divisors is an integer number (25737522).

Almost surely, 2^51475043 is an apocalyptic number.

51475043 is a deficient number, since it is larger than the sum of its proper divisors (1).

51475043 is an equidigital number, since it uses as much as digits as its factorization.

51475043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 51475043 is about 7174.6109999079. The cubic root of 51475043 is about 371.9908344564.

It can be divided in two parts, 514 and 75043, that added together give a palindrome (75557).

The spelling of 51475043 in words is "fifty-one million, four hundred seventy-five thousand, forty-three".