51761300 has 18 divisors (see below), whose sum is σ = 112322238. Its totient is φ = 20704480.

The previous prime is 51761299. The next prime is 51761321. The reversal of 51761300 is 316715.

It can be written as a sum of positive squares in 3 ways, for example, as 2256004 + 49505296 = 1502^2 + 7036^2 .

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 5 ways as a sum of consecutive naturals, for example, 258707 + ... + 258906.

Almost surely, 2^51761300 is an apocalyptic number.

51761300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51761300 is an abundant number, since it is smaller than the sum of its proper divisors (60560938).

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

51761300 is a wasteful number, since it uses less digits than its factorization.

51761300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517627 (or 517620 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 51761300 is about 7194.5326463920. The cubic root of 51761300 is about 372.6791174966.

The spelling of 51761300 in words is "fifty-one million, seven hundred sixty-one thousand, three hundred".