51135152 has 10 divisors (see below), whose sum is σ = 99074388. Its totient is φ = 25567568.

The previous prime is 51135103. The next prime is 51135169. The reversal of 51135152 is 25153115.

It is a happy number.

It is a super-2 number, since 2×51135152² = 5229607540126208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1597958 + ... + 1597989.

Almost surely, 2^51135152 is an apocalyptic number.

It is an amenable number.

51135152 is a deficient number, since it is larger than the sum of its proper divisors (47939236).

51135152 is a wasteful number, since it uses less digits than its factorization.

51135152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3195955 (or 3195949 counting only the distinct ones).

The product of its digits is 750, while the sum is 23.

The square root of 51135152 is about 7150.8847005108. The cubic root of 51135152 is about 371.1702707934.

Adding to 51135152 its reverse (25153115), we get a palindrome (76288267).

The spelling of 51135152 in words is "fifty-one million, one hundred thirty-five thousand, one hundred fifty-two".