51038471 has 8 divisors (see below), whose sum is σ = 58953744. Its totient is φ = 43669120.

The previous prime is 51038441. The next prime is 51038479. The reversal of 51038471 is 17483015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-51038471 is a prime.

It is a super-3 number, since 3×51038471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51038479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136280 + ... + 136653.

It is an arithmetic number, because the mean of its divisors is an integer number (7369218).

Almost surely, 2^51038471 is an apocalyptic number.

51038471 is a deficient number, since it is larger than the sum of its proper divisors (7915273).

51038471 is a wasteful number, since it uses less digits than its factorization.

51038471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272961.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 51038471 is about 7144.1214295391. The cubic root of 51038471 is about 370.9361998965.

The spelling of 51038471 in words is "fifty-one million, thirty-eight thousand, four hundred seventy-one".