51126601 has 4 divisors (see below), whose sum is σ = 51964804. Its totient is φ = 50288400.

The previous prime is 51126577. The next prime is 51126611. The reversal of 51126601 is 10662115.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6250000 + 44876601 = 2500^2 + 6699^2 .

It is not a de Polignac number, because 51126601 - 2¹¹ = 51124553 is a prime.

It is a super-2 number, since 2×51126601² = 5227858659626402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51126611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419010 + ... + 419131.

It is an arithmetic number, because the mean of its divisors is an integer number (12991201).

Almost surely, 2^51126601 is an apocalyptic number.

It is an amenable number.

51126601 is a deficient number, since it is larger than the sum of its proper divisors (838203).

51126601 is an equidigital number, since it uses as much as digits as its factorization.

51126601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838202.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 51126601 is about 7150.2867774656. The cubic root of 51126601 is about 371.1495801739.

Adding to 51126601 its reverse (10662115), we get a palindrome (61788716).

The spelling of 51126601 in words is "fifty-one million, one hundred twenty-six thousand, six hundred one".