51822576 has 240 divisors, whose sum is σ = 173322240. Its totient is φ = 14307840.

The previous prime is 51822559. The next prime is 51822587. The reversal of 51822576 is 67522815.

It is a happy number.

51822576 is a `hidden beast` number, since 5 + 1 + 82 + 2 + 576 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 51822576.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1102585 + ... + 1102631.

It is an arithmetic number, because the mean of its divisors is an integer number (722176).

Almost surely, 2^51822576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51822576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86661120).

51822576 is an abundant number, since it is smaller than the sum of its proper divisors (121499664).

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

51822576 is a wasteful number, since it uses less digits than its factorization.

51822576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 115 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 51822576 is about 7198.7898983093. The cubic root of 51822576 is about 372.8261210184.

The spelling of 51822576 in words is "fifty-one million, eight hundred twenty-two thousand, five hundred seventy-six".