51601344 has 28 divisors (see below), whose sum is σ = 136529064. Its totient is φ = 17200384.

The previous prime is 51601343. The next prime is 51601357. The reversal of 51601344 is 44310615.

51601344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51601343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134187 + ... + 134570.

It is an arithmetic number, because the mean of its divisors is an integer number (4876038).

Almost surely, 2^51601344 is an apocalyptic number.

It is an amenable number.

51601344 is an abundant number, since it is smaller than the sum of its proper divisors (84927720).

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

51601344 is a wasteful number, since it uses less digits than its factorization.

51601344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268772 (or 268762 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 51601344 is about 7183.4075479538. The cubic root of 51601344 is about 372.2948292838.

Adding to 51601344 its reverse (44310615), we get a palindrome (95911959).

The spelling of 51601344 in words is "fifty-one million, six hundred one thousand, three hundred forty-four".