51419331 has 6 divisors (see below), whose sum is σ = 74272380. Its totient is φ = 34279548.

The previous prime is 51419323. The next prime is 51419341. The reversal of 51419331 is 13391415.

It is not a de Polignac number, because 51419331 - 2³ = 51419323 is a prime.

It is a super-2 number, since 2×51419331² = 5287895200975122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51419295 and 51419304.

It is not an unprimeable number, because it can be changed into a prime (51419311) 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, 2856621 + ... + 2856638.

It is an arithmetic number, because the mean of its divisors is an integer number (12378730).

Almost surely, 2^51419331 is an apocalyptic number.

51419331 is a deficient number, since it is larger than the sum of its proper divisors (22853049).

51419331 is a wasteful number, since it uses less digits than its factorization.

51419331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5713265 (or 5713262 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 51419331 is about 7170.7273689633. The cubic root of 51419331 is about 371.8565827661.

The spelling of 51419331 in words is "fifty-one million, four hundred nineteen thousand, three hundred thirty-one".