51671466 has 192 divisors, whose sum is σ = 155612160. Its totient is φ = 12337920.

The previous prime is 51671461. The next prime is 51671479. The reversal of 51671466 is 66417615.

It is a self number, because there is not a number n which added to its sum of digits gives 51671466.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51671461) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1201641 + ... + 1201683.

It is an arithmetic number, because the mean of its divisors is an integer number (810480).

Almost surely, 2^51671466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51671466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77806080).

51671466 is an abundant number, since it is smaller than the sum of its proper divisors (103940694).

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

51671466 is a wasteful number, since it uses less digits than its factorization.

51671466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 83 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 51671466 is about 7188.2867221613. The cubic root of 51671466 is about 372.4633923456.

The spelling of 51671466 in words is "fifty-one million, six hundred seventy-one thousand, four hundred sixty-six".