51637101 has 8 divisors (see below), whose sum is σ = 69877344. Its totient is φ = 33910800.

The previous prime is 51637099. The next prime is 51637111. The reversal of 51637101 is 10173615.

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

It is not a de Polignac number, because 51637101 - 2¹ = 51637099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51637111) 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, 128250 + ... + 128651.

It is an arithmetic number, because the mean of its divisors is an integer number (8734668).

Almost surely, 2^51637101 is an apocalyptic number.

It is an amenable number.

51637101 is a deficient number, since it is larger than the sum of its proper divisors (18240243).

51637101 is a wasteful number, since it uses less digits than its factorization.

51637101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256971.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 51637101 is about 7185.8959775382. The cubic root of 51637101 is about 372.3808029652.

The spelling of 51637101 in words is "fifty-one million, six hundred thirty-seven thousand, one hundred one".