51263152 has 20 divisors (see below), whose sum is σ = 99993600. Its totient is φ = 25458368.

The previous prime is 51263129. The next prime is 51263189. The reversal of 51263152 is 25136215.

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, 8368 + ... + 13135.

It is an arithmetic number, because the mean of its divisors is an integer number (4999680).

Almost surely, 2^51263152 is an apocalyptic number.

It is an amenable number.

51263152 is a deficient number, since it is larger than the sum of its proper divisors (48730448).

51263152 is a wasteful number, since it uses less digits than its factorization.

51263152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21660 (or 21654 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 51263152 is about 7159.8290482385. The cubic root of 51263152 is about 371.4797135553.

Adding to 51263152 its reverse (25136215), we get a palindrome (76399367).

It can be divided in two parts, 51263 and 152, that added together give a palindrome (51415).

The spelling of 51263152 in words is "fifty-one million, two hundred sixty-three thousand, one hundred fifty-two".