51654753 has 18 divisors (see below), whose sum is σ = 77488034. Its totient is φ = 34432128.

The previous prime is 51654751. The next prime is 51654761. The reversal of 51654753 is 35745615.

It can be written as a sum of positive squares in only one way, i.e., 30338064 + 21316689 = 5508^2 + 4617^2 .

It is not a de Polignac number, because 51654753 - 2¹ = 51654751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51654751) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2625 + ... + 10497.

Almost surely, 2^51654753 is an apocalyptic number.

It is an amenable number.

51654753 is a deficient number, since it is larger than the sum of its proper divisors (25833281).

51654753 is an frugal number, since it uses more digits than its factorization.

51654753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7897 (or 7876 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 51654753 is about 7187.1241119101. The cubic root of 51654753 is about 372.4232305798.

The spelling of 51654753 in words is "fifty-one million, six hundred fifty-four thousand, seven hundred fifty-three".