51022236 has 24 divisors (see below), whose sum is σ = 126055440. Its totient is φ = 16006912.

The previous prime is 51022217. The next prime is 51022241. The reversal of 51022236 is 63222015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124851 + ... + 125258.

It is an arithmetic number, because the mean of its divisors is an integer number (5252310).

Almost surely, 2^51022236 is an apocalyptic number.

It is an amenable number.

51022236 is an abundant number, since it is smaller than the sum of its proper divisors (75033204).

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

51022236 is a wasteful number, since it uses less digits than its factorization.

51022236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250133 (or 250131 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 51022236 is about 7142.9850902826. The cubic root of 51022236 is about 370.8968649416.

The spelling of 51022236 in words is "fifty-one million, twenty-two thousand, two hundred thirty-six".