51677361 has 12 divisors (see below), whose sum is σ = 74718592. Its totient is φ = 34417656.

The previous prime is 51677347. The next prime is 51677363. The reversal of 51677361 is 16377615.

51677361 = T₁₉₄₃ + T₁₉₄₄ + ... + T₁₉₆₉.

It is not a de Polignac number, because 51677361 - 2¹³ = 51669169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51677363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9780 + ... + 14106.

Almost surely, 2^51677361 is an apocalyptic number.

It is an amenable number.

51677361 is a deficient number, since it is larger than the sum of its proper divisors (23041231).

51677361 is a wasteful number, since it uses less digits than its factorization.

51677361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5660 (or 5657 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 51677361 is about 7188.6967525415. The cubic root of 51677361 is about 372.4775561151.

It can be divided in two parts, 516 and 77361, that added together give a palindrome (77877).

The spelling of 51677361 in words is "fifty-one million, six hundred seventy-seven thousand, three hundred sixty-one".