51126001 has 4 divisors (see below), whose sum is σ = 51164404. Its totient is φ = 51087600.

The previous prime is 51125993. The next prime is 51126013. The reversal of 51126001 is 10062115.

It is a happy number.

51126001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12673600 + 38452401 = 3560^2 + 6201^2 .

It is a cyclic number.

It is not a de Polignac number, because 51126001 - 2³ = 51125993 is a prime.

It is a super-2 number, since 2×51126001² = 5227735956504002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51124001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17130 + ... + 19891.

It is an arithmetic number, because the mean of its divisors is an integer number (12791101).

Almost surely, 2^51126001 is an apocalyptic number.

It is an amenable number.

51126001 is a deficient number, since it is larger than the sum of its proper divisors (38403).

51126001 is a wasteful number, since it uses less digits than its factorization.

51126001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38402.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 51126001 is about 7150.2448209834. The cubic root of 51126001 is about 371.1481282838.

Adding to 51126001 its reverse (10062115), we get a palindrome (61188116).

The spelling of 51126001 in words is "fifty-one million, one hundred twenty-six thousand, one".