51430677 has 8 divisors (see below), whose sum is σ = 68682816. Its totient is φ = 34232832.

The previous prime is 51430667. The next prime is 51430693. The reversal of 51430677 is 77603415.

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

It is a de Polignac number, because none of the positive numbers 2^k-51430677 is a prime.

It is a super-2 number, since 2×51430677² = 5290229073356658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51430637) 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, 11308 + ... + 15189.

It is an arithmetic number, because the mean of its divisors is an integer number (8585352).

Almost surely, 2^51430677 is an apocalyptic number.

It is an amenable number.

51430677 is a deficient number, since it is larger than the sum of its proper divisors (17252139).

51430677 is a wasteful number, since it uses less digits than its factorization.

51430677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27147.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 51430677 is about 7171.5184584577. The cubic root of 51430677 is about 371.8839315888.

The spelling of 51430677 in words is "fifty-one million, four hundred thirty thousand, six hundred seventy-seven".