51040473 has 16 divisors (see below), whose sum is σ = 77469696. Its totient is φ = 29588240.

The previous prime is 51040471. The next prime is 51040481. The reversal of 51040473 is 37404015.

It is not a de Polignac number, because 51040473 - 2¹ = 51040471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51040471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32865 + ... + 34382.

It is an arithmetic number, because the mean of its divisors is an integer number (4841856).

Almost surely, 2^51040473 is an apocalyptic number.

It is an amenable number.

51040473 is a deficient number, since it is larger than the sum of its proper divisors (26429223).

51040473 is a wasteful number, since it uses less digits than its factorization.

51040473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67284.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 51040473 is about 7144.2615433647. The cubic root of 51040473 is about 370.9410498626.

Adding to 51040473 its reverse (37404015), we get a palindrome (88444488).

The spelling of 51040473 in words is "fifty-one million, forty thousand, four hundred seventy-three".