51886756 has 12 divisors (see below), whose sum is σ = 90852300. Its totient is φ = 25928960.

The previous prime is 51886753. The next prime is 51886759. The reversal of 51886756 is 65768815.

It is an interprime number because it is at equal distance from previous prime (51886753) and next prime (51886759).

It can be written as a sum of positive squares in 2 ways, for example, as 7929856 + 43956900 = 2816^2 + 6630^2 .

It is not an unprimeable number, because it can be changed into a prime (51886753) 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, 11916 + ... + 15676.

It is an arithmetic number, because the mean of its divisors is an integer number (7571025).

Almost surely, 2^51886756 is an apocalyptic number.

It is an amenable number.

51886756 is a deficient number, since it is larger than the sum of its proper divisors (38965544).

51886756 is a wasteful number, since it uses less digits than its factorization.

51886756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7214 (or 7212 counting only the distinct ones).

The product of its digits is 403200, while the sum is 46.

The square root of 51886756 is about 7203.2462126461. The cubic root of 51886756 is about 372.9799671550.

The spelling of 51886756 in words is "fifty-one million, eight hundred eighty-six thousand, seven hundred fifty-six".