51197485 has 8 divisors (see below), whose sum is σ = 61814880. Its totient is φ = 40706064.

The previous prime is 51197459. The next prime is 51197501. The reversal of 51197485 is 58479115.

It is a happy number.

51197485 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 a cyclic number.

It is not a de Polignac number, because 51197485 - 2²³ = 42808877 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 30595 + ... + 32224.

It is an arithmetic number, because the mean of its divisors is an integer number (7726860).

Almost surely, 2^51197485 is an apocalyptic number.

It is an amenable number.

51197485 is a deficient number, since it is larger than the sum of its proper divisors (10617395).

51197485 is a wasteful number, since it uses less digits than its factorization.

51197485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62987.

The product of its digits is 50400, while the sum is 40.

The square root of 51197485 is about 7155.2417848735. The cubic root of 51197485 is about 371.3210265916.

The spelling of 51197485 in words is "fifty-one million, one hundred ninety-seven thousand, four hundred eighty-five".