51023208 has 32 divisors (see below), whose sum is σ = 134272800. Its totient is φ = 16112448.

The previous prime is 51023207. The next prime is 51023221. The reversal of 51023208 is 80232015.

It is a super-3 number, since 3×51023208³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (51023201) 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, 55491 + ... + 56402.

It is an arithmetic number, because the mean of its divisors is an integer number (4196025).

Almost surely, 2^51023208 is an apocalyptic number.

It is an amenable number.

51023208 is an abundant number, since it is smaller than the sum of its proper divisors (83249592).

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

51023208 is a wasteful number, since it uses less digits than its factorization.

51023208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111921 (or 111917 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 51023208 is about 7143.0531287398. The cubic root of 51023208 is about 370.8992201857.

The spelling of 51023208 in words is "fifty-one million, twenty-three thousand, two hundred eight".