51893357 has 4 divisors (see below), whose sum is σ = 52397280. Its totient is φ = 51389436.

The previous prime is 51893341. The next prime is 51893377. The reversal of 51893357 is 75339815.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75339815 = 5 ⋅15067963.

It is a cyclic number.

It is not a de Polignac number, because 51893357 - 2⁴ = 51893341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51893377) 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, 251807 + ... + 252012.

It is an arithmetic number, because the mean of its divisors is an integer number (13099320).

Almost surely, 2^51893357 is an apocalyptic number.

It is an amenable number.

51893357 is a deficient number, since it is larger than the sum of its proper divisors (503923).

51893357 is a wasteful number, since it uses less digits than its factorization.

51893357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503922.

The product of its digits is 113400, while the sum is 41.

The square root of 51893357 is about 7203.7043942683. The cubic root of 51893357 is about 372.9957832422.

The spelling of 51893357 in words is "fifty-one million, eight hundred ninety-three thousand, three hundred fifty-seven".