51023304 has 32 divisors (see below), whose sum is σ = 141732000. Its totient is φ = 17007696.

The previous prime is 51023293. The next prime is 51023309. The reversal of 51023304 is 40332015.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (51023309) 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, 117894 + ... + 118325.

It is an arithmetic number, because the mean of its divisors is an integer number (4429125).

Almost surely, 2^51023304 is an apocalyptic number.

51023304 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

51023304 is an abundant number, since it is smaller than the sum of its proper divisors (90708696).

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

51023304 is a wasteful number, since it uses less digits than its factorization.

51023304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236234 (or 236224 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 51023304 is about 7143.0598485523. The cubic root of 51023304 is about 370.8994528008.

Adding to 51023304 its reverse (40332015), we get a palindrome (91355319).

The spelling of 51023304 in words is "fifty-one million, twenty-three thousand, three hundred four".