51419395 has 4 divisors (see below), whose sum is σ = 61703280. Its totient is φ = 41135512.

The previous prime is 51419341. The next prime is 51419399. The reversal of 51419395 is 59391415.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51419395 - 2¹⁷ = 51288323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51419399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5141935 + ... + 5141944.

It is an arithmetic number, because the mean of its divisors is an integer number (15425820).

Almost surely, 2^51419395 is an apocalyptic number.

51419395 is a deficient number, since it is larger than the sum of its proper divisors (10283885).

51419395 is a wasteful number, since it uses less digits than its factorization.

51419395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10283884.

The product of its digits is 24300, while the sum is 37.

The square root of 51419395 is about 7170.7318315497. The cubic root of 51419395 is about 371.8567370453.

The spelling of 51419395 in words is "fifty-one million, four hundred nineteen thousand, three hundred ninety-five".