51485541 has 8 divisors (see below), whose sum is σ = 68828160. Its totient is φ = 34233312.

The previous prime is 51485531. The next prime is 51485557. The reversal of 51485541 is 14558415.

51485541 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.

It is not a de Polignac number, because 51485541 - 2⁵ = 51485509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51485531) 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 7 ways as a sum of consecutive naturals, for example, 21256 + ... + 23553.

It is an arithmetic number, because the mean of its divisors is an integer number (8603520).

Almost surely, 2^51485541 is an apocalyptic number.

It is an amenable number.

51485541 is a deficient number, since it is larger than the sum of its proper divisors (17342619).

51485541 is a wasteful number, since it uses less digits than its factorization.

51485541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45195.

The product of its digits is 16000, while the sum is 33.

The square root of 51485541 is about 7175.3425702192. The cubic root of 51485541 is about 372.0161211073.

The spelling of 51485541 in words is "fifty-one million, four hundred eighty-five thousand, five hundred forty-one".