51258441 has 16 divisors (see below), whose sum is σ = 73962560. Its totient is φ = 31389120.

The previous prime is 51258419. The next prime is 51258443. The reversal of 51258441 is 14485215.

It is not a de Polignac number, because 51258441 - 2⁷ = 51258313 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is the 7160-th Hogben number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51258399 and 51258408.

It is not an unprimeable number, because it can be changed into a prime (51258443) by changing a digit.

It is a nontrivial repunit in base 7159.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5115 + ... + 11343.

It is an arithmetic number, because the mean of its divisors is an integer number (4622660).

Almost surely, 2^51258441 is an apocalyptic number.

It is an amenable number.

51258441 is a deficient number, since it is larger than the sum of its proper divisors (22704119).

51258441 is a wasteful number, since it uses less digits than its factorization.

51258441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6456.

The product of its digits is 6400, while the sum is 30.

The square root of 51258441 is about 7159.5000523780. The cubic root of 51258441 is about 371.4683337469.

The spelling of 51258441 in words is "fifty-one million, two hundred fifty-eight thousand, four hundred forty-one".