51415675 has 6 divisors (see below), whose sum is σ = 63755468. Its totient is φ = 41132520.

The previous prime is 51415673. The next prime is 51415703. The reversal of 51415675 is 57651415.

It is not a de Polignac number, because 51415675 - 2¹ = 51415673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51415675.

It is not an unprimeable number, because it can be changed into a prime (51415673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1028289 + ... + 1028338.

Almost surely, 2^51415675 is an apocalyptic number.

51415675 is a deficient number, since it is larger than the sum of its proper divisors (12339793).

51415675 is a wasteful number, since it uses less digits than its factorization.

51415675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056637 (or 2056632 counting only the distinct ones).

The product of its digits is 21000, while the sum is 34.

The square root of 51415675 is about 7170.4724391075. The cubic root of 51415675 is about 371.8477693499.

It can be divided in two parts, 5141 and 5675, that added together give a square (10816 = 104²).

The spelling of 51415675 in words is "fifty-one million, four hundred fifteen thousand, six hundred seventy-five".