51254544001 has 24 divisors (see below), whose sum is σ = 56114697600. Its totient is φ = 46682919360.

The previous prime is 51254543999. The next prime is 51254544013. The reversal of 51254544001 is 10044545215.

It is a happy number.

It is not a de Polignac number, because 51254544001 - 2¹ = 51254543999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51254544101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3812271 + ... + 3825691.

It is an arithmetic number, because the mean of its divisors is an integer number (2338112400).

Almost surely, 2^51254544001 is an apocalyptic number.

It is an amenable number.

51254544001 is a deficient number, since it is larger than the sum of its proper divisors (4860153599).

51254544001 is a wasteful number, since it uses less digits than its factorization.

51254544001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13737 (or 13708 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 51254544001 in words is "fifty-one billion, two hundred fifty-four million, five hundred forty-four thousand, one".