51787126 has 8 divisors (see below), whose sum is σ = 77730264. Its totient is φ = 25877040.

The previous prime is 51787123. The next prime is 51787129. The reversal of 51787126 is 62178715.

It is an interprime number because it is at equal distance from previous prime (51787123) and next prime (51787129).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51787121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3880 + ... + 10891.

It is an arithmetic number, because the mean of its divisors is an integer number (9716283).

Almost surely, 2^51787126 is an apocalyptic number.

51787126 is a deficient number, since it is larger than the sum of its proper divisors (25943138).

51787126 is a wasteful number, since it uses less digits than its factorization.

51787126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16526.

The product of its digits is 23520, while the sum is 37.

The square root of 51787126 is about 7196.3272577058. The cubic root of 51787126 is about 372.7410892180.

The spelling of 51787126 in words is "fifty-one million, seven hundred eighty-seven thousand, one hundred twenty-six".