51567042 has 8 divisors (see below), whose sum is σ = 103134096. Its totient is φ = 17189012.

The previous prime is 51567041. The next prime is 51567049. The reversal of 51567042 is 24076515.

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

51567042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (51567041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4297248 + ... + 4297259.

It is an arithmetic number, because the mean of its divisors is an integer number (12891762).

Almost surely, 2^51567042 is an apocalyptic number.

51567042 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.

51567042 is a wasteful number, since it uses less digits than its factorization.

51567042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8594512.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 51567042 is about 7181.0195654935. The cubic root of 51567042 is about 372.2123166526.

The spelling of 51567042 in words is "fifty-one million, five hundred sixty-seven thousand, forty-two".