51677253 has 6 divisors (see below), whose sum is σ = 74644934. Its totient is φ = 34451496.

The previous prime is 51677221. The next prime is 51677257. The reversal of 51677253 is 35277615.

It can be written as a sum of positive squares in only one way, i.e., 51365889 + 311364 = 7167^2 + 558^2 .

It is not a de Polignac number, because 51677253 - 2⁵ = 51677221 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 (51677257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2870950 + ... + 2870967.

Almost surely, 2^51677253 is an apocalyptic number.

It is an amenable number.

51677253 is a deficient number, since it is larger than the sum of its proper divisors (22967681).

51677253 is a wasteful number, since it uses less digits than its factorization.

51677253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5741923 (or 5741920 counting only the distinct ones).

The product of its digits is 44100, while the sum is 36.

The square root of 51677253 is about 7188.6892407448. The cubic root of 51677253 is about 372.4772966359.

The spelling of 51677253 in words is "fifty-one million, six hundred seventy-seven thousand, two hundred fifty-three".