51475541 has 48 divisors (see below), whose sum is σ = 66407040. Its totient is φ = 39536640.

The previous prime is 51475537. The next prime is 51475549. The reversal of 51475541 is 14557415.

It is not a de Polignac number, because 51475541 - 2² = 51475537 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51475498 and 51475507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51475549) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1255481 + ... + 1255521.

It is an arithmetic number, because the mean of its divisors is an integer number (1383480).

Almost surely, 2^51475541 is an apocalyptic number.

It is an amenable number.

51475541 is a deficient number, since it is larger than the sum of its proper divisors (14931499).

51475541 is a wasteful number, since it uses less digits than its factorization.

51475541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 113 counting only the distinct ones).

The product of its digits is 14000, while the sum is 32.

The square root of 51475541 is about 7174.6457055384. The cubic root of 51475541 is about 371.9920340723.

The spelling of 51475541 in words is "fifty-one million, four hundred seventy-five thousand, five hundred forty-one".