51600464 has 10 divisors (see below), whose sum is σ = 99975930. Its totient is φ = 25800224.

The previous prime is 51600401. The next prime is 51600467. The reversal of 51600464 is 46400615.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 28174864 + 23425600 = 5308^2 + 4840^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51600467) 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 as a sum of consecutive naturals, namely, 1612499 + ... + 1612530.

It is an arithmetic number, because the mean of its divisors is an integer number (9997593).

Almost surely, 2^51600464 is an apocalyptic number.

It is an amenable number.

51600464 is a deficient number, since it is larger than the sum of its proper divisors (48375466).

51600464 is a wasteful number, since it uses less digits than its factorization.

51600464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3225037 (or 3225031 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 51600464 is about 7183.3462954253. The cubic root of 51600464 is about 372.2927129222.

The spelling of 51600464 in words is "fifty-one million, six hundred thousand, four hundred sixty-four".