51087268 has 12 divisors (see below), whose sum is σ = 91482160. Its totient is φ = 24949512.

The previous prime is 51087259. The next prime is 51087313. The reversal of 51087268 is 86278015.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148338 + ... + 148681.

Almost surely, 2^51087268 is an apocalyptic number.

It is an amenable number.

51087268 is a deficient number, since it is larger than the sum of its proper divisors (40394892).

51087268 is a wasteful number, since it uses less digits than its factorization.

51087268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297066 (or 297064 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 51087268 is about 7147.5357991408. The cubic root of 51087268 is about 371.0543774718.

It can be divided in two parts, 510 and 87268, that added together give a palindrome (87778).

The spelling of 51087268 in words is "fifty-one million, eighty-seven thousand, two hundred sixty-eight".