51413499 has 6 divisors (see below), whose sum is σ = 74263956. Its totient is φ = 34275660.

The previous prime is 51413489. The next prime is 51413503. The reversal of 51413499 is 99431415.

It is a happy number.

51413499 is a `hidden beast` number, since 514 + 134 + 9 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-51413499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51413419) 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, 2856297 + ... + 2856314.

It is an arithmetic number, because the mean of its divisors is an integer number (12377326).

Almost surely, 2^51413499 is an apocalyptic number.

51413499 is a deficient number, since it is larger than the sum of its proper divisors (22850457).

51413499 is a wasteful number, since it uses less digits than its factorization.

51413499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5712617 (or 5712614 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 51413499 is about 7170.3207041247. The cubic root of 51413499 is about 371.8425235297.

The spelling of 51413499 in words is "fifty-one million, four hundred thirteen thousand, four hundred ninety-nine".