51064032 has 48 divisors (see below), whose sum is σ = 134531712. Its totient is φ = 16959360.

The previous prime is 51064031. The next prime is 51064049. The reversal of 51064032 is 23046015.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51064031) 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 7 ways as a sum of consecutive naturals, for example, 30973 + ... + 32579.

It is an arithmetic number, because the mean of its divisors is an integer number (2802744).

Almost surely, 2^51064032 is an apocalyptic number.

It is an amenable number.

51064032 is an abundant number, since it is smaller than the sum of its proper divisors (83467680).

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

51064032 is a wasteful number, since it uses less digits than its factorization.

51064032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951 (or 1943 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 51064032 is about 7145.9101589651. The cubic root of 51064032 is about 370.9981134401.

The spelling of 51064032 in words is "fifty-one million, sixty-four thousand, thirty-two".