51772300 has 36 divisors (see below), whose sum is σ = 113195880. Its totient is φ = 20552320.

The previous prime is 51772289. The next prime is 51772319. The reversal of 51772300 is 327715.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11811 + ... + 15589.

It is an arithmetic number, because the mean of its divisors is an integer number (3144330).

Almost surely, 2^51772300 is an apocalyptic number.

51772300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51772300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56597940).

51772300 is an abundant number, since it is smaller than the sum of its proper divisors (61423580).

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

51772300 is a wasteful number, since it uses less digits than its factorization.

51772300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3930 (or 3923 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 51772300 is about 7195.2970751735. The cubic root of 51772300 is about 372.7055154679.

The spelling of 51772300 in words is "fifty-one million, seven hundred seventy-two thousand, three hundred".