51677245 has 8 divisors (see below), whose sum is σ = 65276640. Its totient is φ = 39165840.

The previous prime is 51677221. The next prime is 51677257. The reversal of 51677245 is 54277615.

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

It is not a de Polignac number, because 51677245 - 2⁷ = 51677117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271891 + ... + 272080.

It is an arithmetic number, because the mean of its divisors is an integer number (8159580).

Almost surely, 2^51677245 is an apocalyptic number.

It is an amenable number.

51677245 is a deficient number, since it is larger than the sum of its proper divisors (13599395).

51677245 is a wasteful number, since it uses less digits than its factorization.

51677245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543995.

The product of its digits is 58800, while the sum is 37.

The square root of 51677245 is about 7188.6886843151. The cubic root of 51677245 is about 372.4772774152.

The spelling of 51677245 in words is "fifty-one million, six hundred seventy-seven thousand, two hundred forty-five".