51822606 has 48 divisors (see below), whose sum is σ = 116769744. Its totient is φ = 15312000.

The previous prime is 51822601. The next prime is 51822629. The reversal of 51822606 is 60622815.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 28896 + ... + 30636.

It is an arithmetic number, because the mean of its divisors is an integer number (2432703).

Almost surely, 2^51822606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51822606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58384872).

51822606 is an abundant number, since it is smaller than the sum of its proper divisors (64947138).

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

51822606 is a wasteful number, since it uses less digits than its factorization.

51822606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809 (or 1798 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 51822606 is about 7198.7919819925. The cubic root of 51822606 is about 372.8261929612.

The spelling of 51822606 in words is "fifty-one million, eight hundred twenty-two thousand, six hundred six".