51029441 has 4 divisors (see below), whose sum is σ = 52675584. Its totient is φ = 49383300.

The previous prime is 51029417. The next prime is 51029443. The reversal of 51029441 is 14492015.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51029441 - 2²² = 46835137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51029441.

It is not an unprimeable number, because it can be changed into a prime (51029443) 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 3 ways as a sum of consecutive naturals, for example, 823025 + ... + 823086.

It is an arithmetic number, because the mean of its divisors is an integer number (13168896).

Almost surely, 2^51029441 is an apocalyptic number.

It is an amenable number.

51029441 is a deficient number, since it is larger than the sum of its proper divisors (1646143).

51029441 is a wasteful number, since it uses less digits than its factorization.

51029441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646142.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 51029441 is about 7143.4894134449. The cubic root of 51029441 is about 370.9143225989.

The spelling of 51029441 in words is "fifty-one million, twenty-nine thousand, four hundred forty-one".