51329542 has 8 divisors (see below), whose sum is σ = 83993832. Its totient is φ = 23331600.

The previous prime is 51329527. The next prime is 51329543. The reversal of 51329542 is 24592315.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51329543) 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, 1166559 + ... + 1166602.

It is an arithmetic number, because the mean of its divisors is an integer number (10499229).

Almost surely, 2^51329542 is an apocalyptic number.

51329542 is a deficient number, since it is larger than the sum of its proper divisors (32664290).

51329542 is a wasteful number, since it uses less digits than its factorization.

51329542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333174.

The product of its digits is 10800, while the sum is 31.

The square root of 51329542 is about 7164.4638319975. The cubic root of 51329542 is about 371.6400099748.

The spelling of 51329542 in words is "fifty-one million, three hundred twenty-nine thousand, five hundred forty-two".