51344768 has 32 divisors (see below), whose sum is σ = 102660960. Its totient is φ = 25579008.

The previous prime is 51344767. The next prime is 51344771. The reversal of 51344768 is 86744315.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51344767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46430 + ... + 47522.

It is an arithmetic number, because the mean of its divisors is an integer number (3208155).

Almost surely, 2^51344768 is an apocalyptic number.

It is an amenable number.

51344768 is a deficient number, since it is larger than the sum of its proper divisors (51316192).

51344768 is a wasteful number, since it uses less digits than its factorization.

51344768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474 (or 1462 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 51344768 is about 7165.5263588937. The cubic root of 51344768 is about 371.6767531521.

The spelling of 51344768 in words is "fifty-one million, three hundred forty-four thousand, seven hundred sixty-eight".