51708700 has 18 divisors (see below), whose sum is σ = 112208096. Its totient is φ = 20683440.

The previous prime is 51708689. The next prime is 51708703. The reversal of 51708700 is 780715.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51708703) 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, 258444 + ... + 258643.

Almost surely, 2^51708700 is an apocalyptic number.

51708700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51708700 is an abundant number, since it is smaller than the sum of its proper divisors (60499396).

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

51708700 is a wasteful number, since it uses less digits than its factorization.

51708700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517101 (or 517094 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 51708700 is about 7190.8761635840. The cubic root of 51708700 is about 372.5528354705.

The spelling of 51708700 in words is "fifty-one million, seven hundred eight thousand, seven hundred".