51770442 has 8 divisors (see below), whose sum is σ = 103540896. Its totient is φ = 17256812.

The previous prime is 51770441. The next prime is 51770461. The reversal of 51770442 is 24407715.

51770442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

51770442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (51770441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4314198 + ... + 4314209.

It is an arithmetic number, because the mean of its divisors is an integer number (12942612).

Almost surely, 2^51770442 is an apocalyptic number.

51770442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51770442 is a wasteful number, since it uses less digits than its factorization.

51770442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8628412.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 51770442 is about 7195.1679619033. The cubic root of 51770442 is about 372.7010568730.

The spelling of 51770442 in words is "fifty-one million, seven hundred seventy thousand, four hundred forty-two".