51601106 has 4 divisors (see below), whose sum is σ = 77401662. Its totient is φ = 25800552.

The previous prime is 51601097. The next prime is 51601117. The reversal of 51601106 is 60110615.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 46036225 + 5564881 = 6785^2 + 2359^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12900275 + ... + 12900278.

Almost surely, 2^51601106 is an apocalyptic number.

51601106 is a deficient number, since it is larger than the sum of its proper divisors (25800556).

51601106 is a wasteful number, since it uses less digits than its factorization.

51601106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25800555.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 51601106 is about 7183.3909819806. The cubic root of 51601106 is about 372.2942569066.

The spelling of 51601106 in words is "fifty-one million, six hundred one thousand, one hundred six".