51233800 has 24 divisors (see below), whose sum is σ = 119119050. Its totient is φ = 20493440.

The previous prime is 51233797. The next prime is 51233803. The reversal of 51233800 is 833215.

It is an interprime number because it is at equal distance from previous prime (51233797) and next prime (51233803).

It can be written as a sum of positive squares in 3 ways, for example, as 22867524 + 28366276 = 4782^2 + 5326^2 .

It is not an unprimeable number, because it can be changed into a prime (51233803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127885 + ... + 128284.

Almost surely, 2^51233800 is an apocalyptic number.

51233800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51233800 is an abundant number, since it is smaller than the sum of its proper divisors (67885250).

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

51233800 is a wasteful number, since it uses less digits than its factorization.

51233800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256185 (or 256176 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 51233800 is about 7157.7789851322. The cubic root of 51233800 is about 371.4088000183.

It can be divided in two parts, 512 and 33800, that multiplied together give a square (17305600 = 4160²).

The spelling of 51233800 in words is "fifty-one million, two hundred thirty-three thousand, eight hundred".