51237042 has 8 divisors (see below), whose sum is σ = 102474096. Its totient is φ = 17079012.

The previous prime is 51237019. The next prime is 51237073. The reversal of 51237042 is 24073215.

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

51237042 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4269748 + ... + 4269759.

It is an arithmetic number, because the mean of its divisors is an integer number (12809262).

Almost surely, 2^51237042 is an apocalyptic number.

51237042 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.

51237042 is a wasteful number, since it uses less digits than its factorization.

51237042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8539512.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 51237042 is about 7158.0054484472. The cubic root of 51237042 is about 371.4166339218.

The spelling of 51237042 in words is "fifty-one million, two hundred thirty-seven thousand, forty-two".