51601152 has 36 divisors (see below), whose sum is σ = 137336360. Its totient is φ = 17200128.

The previous prime is 51601129. The next prime is 51601153. The reversal of 51601152 is 25110615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51601153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32827 + ... + 34362.

Almost surely, 2^51601152 is an apocalyptic number.

It is an amenable number.

51601152 is an abundant number, since it is smaller than the sum of its proper divisors (85735208).

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

51601152 is an equidigital number, since it uses as much as digits as its factorization.

51601152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67208 (or 67194 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 51601152 is about 7183.3941838103. The cubic root of 51601152 is about 372.2943675343.

Adding to 51601152 its reverse (25110615), we get a palindrome (76711767).

The spelling of 51601152 in words is "fifty-one million, six hundred one thousand, one hundred fifty-two".