51373471 has 8 divisors (see below), whose sum is σ = 53380080. Its totient is φ = 49382592.

The previous prime is 51373459. The next prime is 51373477. The reversal of 51373471 is 17437315.

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-51373471 is a prime.

It is a super-3 number, since 3×51373471³ (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 (51373477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2956 + ... + 10558.

It is an arithmetic number, because the mean of its divisors is an integer number (6672510).

Almost surely, 2^51373471 is an apocalyptic number.

51373471 is a deficient number, since it is larger than the sum of its proper divisors (2006609).

51373471 is a wasteful number, since it uses less digits than its factorization.

51373471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7865.

The product of its digits is 8820, while the sum is 31.

The square root of 51373471 is about 7167.5289326239. The cubic root of 51373471 is about 371.7459990944.

It can be divided in two parts, 513 and 73471, that added together give a square (73984 = 272²).

The spelling of 51373471 in words is "fifty-one million, three hundred seventy-three thousand, four hundred seventy-one".