51818050 has 48 divisors (see below), whose sum is σ = 100779264. Its totient is φ = 19800000.

The previous prime is 51818033. The next prime is 51818051. The reversal of 51818050 is 5081815.

It is a super-2 number, since 2×51818050² = 5370220611605000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51818051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156385 + ... + 156715.

It is an arithmetic number, because the mean of its divisors is an integer number (2099568).

Almost surely, 2^51818050 is an apocalyptic number.

51818050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51818050 is a deficient number, since it is larger than the sum of its proper divisors (48961214).

51818050 is a wasteful number, since it uses less digits than its factorization.

51818050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 28.

The square root of 51818050 is about 7198.4755330556. The cubic root of 51818050 is about 372.8152669320.

Adding to 51818050 its reverse (5081815), we get a palindrome (56899865).

It can be divided in two parts, 5181 and 8050, that added together give a palindrome (13231).

The spelling of 51818050 in words is "fifty-one million, eight hundred eighteen thousand, fifty".