51853953 has 8 divisors (see below), whose sum is σ = 69394816. Its totient is φ = 34441200.

The previous prime is 51853951. The next prime is 51854039. The reversal of 51853953 is 35935815.

It is a happy number.

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

It is not a de Polignac number, because 51853953 - 2¹ = 51853951 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51853951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31078 + ... + 32703.

It is an arithmetic number, because the mean of its divisors is an integer number (8674352).

Almost surely, 2^51853953 is an apocalyptic number.

It is an amenable number.

51853953 is a deficient number, since it is larger than the sum of its proper divisors (17540863).

51853953 is a wasteful number, since it uses less digits than its factorization.

51853953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64055.

The product of its digits is 81000, while the sum is 39.

The square root of 51853953 is about 7200.9688931421. The cubic root of 51853953 is about 372.9013508117.

The spelling of 51853953 in words is "fifty-one million, eight hundred fifty-three thousand, nine hundred fifty-three".