51866300 has 36 divisors (see below), whose sum is σ = 112867776. Its totient is φ = 20688000.

The previous prime is 51866293. The next prime is 51866327. The reversal of 51866300 is 366815.

It is a super-2 number, since 2×51866300² = 5380226151380000, which contains 22 as substring.

It is a congruent number.

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, 59669 + ... + 60531.

It is an arithmetic number, because the mean of its divisors is an integer number (3135216).

Almost surely, 2^51866300 is an apocalyptic number.

51866300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51866300 is an abundant number, since it is smaller than the sum of its proper divisors (61001476).

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

51866300 is a wasteful number, since it uses less digits than its factorization.

51866300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478 (or 1471 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 51866300 is about 7201.8261573020. The cubic root of 51866300 is about 372.9309457755.

The spelling of 51866300 in words is "fifty-one million, eight hundred sixty-six thousand, three hundred".