51957361 has 8 divisors (see below), whose sum is σ = 54160640. Its totient is φ = 49796208.

The previous prime is 51957359. The next prime is 51957383. The reversal of 51957361 is 16375915.

51957361 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 51957361 - 2¹ = 51957359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51957361.

It is not an unprimeable number, because it can be changed into a prime (51957341) 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, 8001 + ... + 12958.

It is an arithmetic number, because the mean of its divisors is an integer number (6770080).

Almost surely, 2^51957361 is an apocalyptic number.

It is an amenable number.

51957361 is a deficient number, since it is larger than the sum of its proper divisors (2203279).

51957361 is a wasteful number, since it uses less digits than its factorization.

51957361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21063.

The product of its digits is 28350, while the sum is 37.

The square root of 51957361 is about 7208.1454619063. The cubic root of 51957361 is about 373.1490682053.

The spelling of 51957361 in words is "fifty-one million, nine hundred fifty-seven thousand, three hundred sixty-one".