51419538 has 24 divisors (see below), whose sum is σ = 111541248. Its totient is φ = 17119512.

The previous prime is 51419531. The next prime is 51419539. The reversal of 51419538 is 83591415.

It is not an unprimeable number, because it can be changed into a prime (51419531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27295 + ... + 29117.

It is an arithmetic number, because the mean of its divisors is an integer number (4647552).

Almost surely, 2^51419538 is an apocalyptic number.

51419538 is an abundant number, since it is smaller than the sum of its proper divisors (60121710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51419538 is a wasteful number, since it uses less digits than its factorization.

51419538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3398 (or 3395 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 51419538 is about 7170.7418026310. The cubic root of 51419538 is about 371.8570817626.

The spelling of 51419538 in words is "fifty-one million, four hundred nineteen thousand, five hundred thirty-eight".