51849763 has 8 divisors (see below), whose sum is σ = 61168640. Its totient is φ = 43008840.

The previous prime is 51849761. The next prime is 51849769. The reversal of 51849763 is 36794815.

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

It is not a de Polignac number, because 51849763 - 2¹ = 51849761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51849761) 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, 119253 + ... + 119686.

It is an arithmetic number, because the mean of its divisors is an integer number (7646080).

Almost surely, 2^51849763 is an apocalyptic number.

51849763 is a deficient number, since it is larger than the sum of its proper divisors (9318877).

51849763 is a wasteful number, since it uses less digits than its factorization.

51849763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238977.

The product of its digits is 181440, while the sum is 43.

The square root of 51849763 is about 7200.6779541929. The cubic root of 51849763 is about 372.8913065839.

The spelling of 51849763 in words is "fifty-one million, eight hundred forty-nine thousand, seven hundred sixty-three".