51554212001 has 16 divisors (see below), whose sum is σ = 54898761600. Its totient is φ = 48273211008.

The previous prime is 51554211991. The next prime is 51554212013. The reversal of 51554212001 is 10021245515.

It is a cyclic number.

It is not a de Polignac number, because 51554212001 - 2¹⁴ = 51554195617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51554212091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6308420 + ... + 6316586.

It is an arithmetic number, because the mean of its divisors is an integer number (3431172600).

Almost surely, 2^51554212001 is an apocalyptic number.

It is an amenable number.

51554212001 is a deficient number, since it is larger than the sum of its proper divisors (3344549599).

51554212001 is a wasteful number, since it uses less digits than its factorization.

51554212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12008.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 51554212001 its reverse (10021245515), we get a palindrome (61575457516).

The spelling of 51554212001 in words is "fifty-one billion, five hundred fifty-four million, two hundred twelve thousand, one".