51641542 has 8 divisors (see below), whose sum is σ = 77512032. Its totient is φ = 25804200.

The previous prime is 51641537. The next prime is 51641549. The reversal of 51641542 is 24514615.

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

It is a self number, because there is not a number n which added to its sum of digits gives 51641542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51641549) 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, 3934 + ... + 10897.

It is an arithmetic number, because the mean of its divisors is an integer number (9689004).

Almost surely, 2^51641542 is an apocalyptic number.

51641542 is a deficient number, since it is larger than the sum of its proper divisors (25870490).

51641542 is a wasteful number, since it uses less digits than its factorization.

51641542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16574.

The product of its digits is 4800, while the sum is 28.

The square root of 51641542 is about 7186.2049789858. The cubic root of 51641542 is about 372.3914780787.

The spelling of 51641542 in words is "fifty-one million, six hundred forty-one thousand, five hundred forty-two".