51040475 has 6 divisors (see below), whose sum is σ = 63290220. Its totient is φ = 40832360.

The previous prime is 51040471. The next prime is 51040481. The reversal of 51040475 is 57404015.

51040475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51040475 - 2² = 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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1020785 + ... + 1020834.

It is an arithmetic number, because the mean of its divisors is an integer number (10548370).

Almost surely, 2^51040475 is an apocalyptic number.

51040475 is a deficient number, since it is larger than the sum of its proper divisors (12249745).

51040475 is a wasteful number, since it uses less digits than its factorization.

51040475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041629 (or 2041624 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 51040475 is about 7144.2616833372. The cubic root of 51040475 is about 370.9410547076.

It can be divided in two parts, 51040 and 475, that added together give a palindrome (51515).

The spelling of 51040475 in words is "fifty-one million, forty thousand, four hundred seventy-five".