51662700 has 108 divisors (see below), whose sum is σ = 163505160. Its totient is φ = 13643520.

The previous prime is 51662683. The next prime is 51662707. The reversal of 51662700 is 726615.

51662700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51662707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 123091 + ... + 123509.

Almost surely, 2^51662700 is an apocalyptic number.

51662700 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 51662700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81752580).

51662700 is an abundant number, since it is smaller than the sum of its proper divisors (111842460).

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

51662700 is a wasteful number, since it uses less digits than its factorization.

51662700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 51662700 is about 7187.6769543435. The cubic root of 51662700 is about 372.4423285038.

The spelling of 51662700 in words is "fifty-one million, six hundred sixty-two thousand, seven hundred".