51822600 has 48 divisors (see below), whose sum is σ = 160651920. Its totient is φ = 13819200.

The previous prime is 51822587. The next prime is 51822601. The reversal of 51822600 is 622815.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (51822601) 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, 42586 + ... + 43785.

It is an arithmetic number, because the mean of its divisors is an integer number (3346915).

Almost surely, 2^51822600 is an apocalyptic number.

51822600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51822600 is an abundant number, since it is smaller than the sum of its proper divisors (108829320).

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

51822600 is a wasteful number, since it uses less digits than its factorization.

51822600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86390 (or 86381 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 51822600 is about 7198.7915652559. The cubic root of 51822600 is about 372.8261785727.

The spelling of 51822600 in words is "fifty-one million, eight hundred twenty-two thousand, six hundred".