51164441 has 8 divisors (see below), whose sum is σ = 54307584. Its totient is φ = 48036160.

The previous prime is 51164417. The next prime is 51164461. The reversal of 51164441 is 14446115.

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

It is a cyclic number.

It is not a de Polignac number, because 51164441 - 2¹⁰ = 51163417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51164441.

It is not an unprimeable number, because it can be changed into a prime (51164401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3836 + ... + 10818.

It is an arithmetic number, because the mean of its divisors is an integer number (6788448).

Almost surely, 2^51164441 is an apocalyptic number.

It is an amenable number.

51164441 is a deficient number, since it is larger than the sum of its proper divisors (3143143).

51164441 is a wasteful number, since it uses less digits than its factorization.

51164441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7431.

The product of its digits is 1920, while the sum is 26.

The square root of 51164441 is about 7152.9323357627. The cubic root of 51164441 is about 371.2411231047.

The spelling of 51164441 in words is "fifty-one million, one hundred sixty-four thousand, four hundred forty-one".