51027700 has 36 divisors (see below), whose sum is σ = 112305312. Its totient is φ = 20120800.

The previous prime is 51027679. The next prime is 51027703. The reversal of 51027700 is 772015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51027703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3507 + ... + 10693.

It is an arithmetic number, because the mean of its divisors is an integer number (3119592).

Almost surely, 2^51027700 is an apocalyptic number.

51027700 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 51027700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56152656).

51027700 is an abundant number, since it is smaller than the sum of its proper divisors (61277612).

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

51027700 is a wasteful number, since it uses less digits than its factorization.

51027700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7272 (or 7265 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 22.

The square root of 51027700 is about 7143.3675531923. The cubic root of 51027700 is about 370.9101043205.

Adding to 51027700 its reverse (772015), we get a palindrome (51799715).

The spelling of 51027700 in words is "fifty-one million, twenty-seven thousand, seven hundred".