51335152 has 20 divisors (see below), whose sum is σ = 108504216. Its totient is φ = 23334080.

The previous prime is 51335143. The next prime is 51335161. The reversal of 51335152 is 25153315.

It is an interprime number because it is at equal distance from previous prime (51335143) and next prime (51335161).

It is a congruent number.

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, 145663 + ... + 146014.

Almost surely, 2^51335152 is an apocalyptic number.

It is an amenable number.

51335152 is an abundant number, since it is smaller than the sum of its proper divisors (57169064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51335152 is a wasteful number, since it uses less digits than its factorization.

51335152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291696 (or 291690 counting only the distinct ones).

The product of its digits is 2250, while the sum is 25.

The square root of 51335152 is about 7164.8553369904. The cubic root of 51335152 is about 371.6535487962.

Adding to 51335152 its reverse (25153315), we get a palindrome (76488467).

The spelling of 51335152 in words is "fifty-one million, three hundred thirty-five thousand, one hundred fifty-two".