51023064 has 32 divisors (see below), whose sum is σ = 131958000. Its totient is φ = 16420992.

The previous prime is 51023053. The next prime is 51023081. The reversal of 51023064 is 46032015.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 51023064.

It is a congruent number.

It is an unprimeable number.

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, 35959 + ... + 37350.

Almost surely, 2^51023064 is an apocalyptic number.

It is an amenable number.

51023064 is an abundant number, since it is smaller than the sum of its proper divisors (80934936).

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

51023064 is a wasteful number, since it uses less digits than its factorization.

51023064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73347 (or 73343 counting only the distinct ones).

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

The square root of 51023064 is about 7143.0430490093. The cubic root of 51023064 is about 370.8988712626.

Adding to 51023064 its reverse (46032015), we get a palindrome (97055079).

The spelling of 51023064 in words is "fifty-one million, twenty-three thousand, sixty-four".