51869126 has 16 divisors (see below), whose sum is σ = 82114560. Its totient is φ = 24504840.

The previous prime is 51869047. The next prime is 51869143. The reversal of 51869126 is 62196815.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 51869126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14795 + ... + 17961.

It is an arithmetic number, because the mean of its divisors is an integer number (5132160).

Almost surely, 2^51869126 is an apocalyptic number.

51869126 is a deficient number, since it is larger than the sum of its proper divisors (30245434).

51869126 is a wasteful number, since it uses less digits than its factorization.

51869126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3619.

The product of its digits is 25920, while the sum is 38.

The square root of 51869126 is about 7202.0223548667. The cubic root of 51869126 is about 372.9377188549.

The spelling of 51869126 in words is "fifty-one million, eight hundred sixty-nine thousand, one hundred twenty-six".