51041558 has 4 divisors (see below), whose sum is σ = 76562340. Its totient is φ = 25520778.

The previous prime is 51041521. The next prime is 51041569. The reversal of 51041558 is 85514015.

It is a semiprime because it is the product of two primes.

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 51041558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12760388 + ... + 12760391.

It is an arithmetic number, because the mean of its divisors is an integer number (19140585).

Almost surely, 2^51041558 is an apocalyptic number.

51041558 is a deficient number, since it is larger than the sum of its proper divisors (25520782).

51041558 is a wasteful number, since it uses less digits than its factorization.

51041558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25520781.

The product of its (nonzero) digits is 4000, while the sum is 29.

The square root of 51041558 is about 7144.3374780311. The cubic root of 51041558 is about 370.9436782877.

The spelling of 51041558 in words is "fifty-one million, forty-one thousand, five hundred fifty-eight".