51700377 has 8 divisors (see below), whose sum is σ = 69005440. Its totient is φ = 34431120.

The previous prime is 51700373. The next prime is 51700379. The reversal of 51700377 is 77300715.

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

It is not a de Polignac number, because 51700377 - 2² = 51700373 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51700373) 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, 5377 + ... + 11502.

It is an arithmetic number, because the mean of its divisors is an integer number (8625680).

Almost surely, 2^51700377 is an apocalyptic number.

It is an amenable number.

51700377 is a deficient number, since it is larger than the sum of its proper divisors (17305063).

51700377 is a wasteful number, since it uses less digits than its factorization.

51700377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17903.

The product of its (nonzero) digits is 5145, while the sum is 30.

The square root of 51700377 is about 7190.2974208304. The cubic root of 51700377 is about 372.5328457742.

The spelling of 51700377 in words is "fifty-one million, seven hundred thousand, three hundred seventy-seven".