51552011001 has 16 divisors (see below), whose sum is σ = 68883160896. Its totient is φ = 34294480896.

The previous prime is 51552010981. The next prime is 51552011023. The reversal of 51552011001 is 10011025515.

It is not a de Polignac number, because 51552011001 - 2³¹ = 49404527353 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51552011081) 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, 8430121 + ... + 8436233.

It is an arithmetic number, because the mean of its divisors is an integer number (4305197556).

Almost surely, 2^51552011001 is an apocalyptic number.

It is an amenable number.

51552011001 is a deficient number, since it is larger than the sum of its proper divisors (17331149895).

51552011001 is a wasteful number, since it uses less digits than its factorization.

51552011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11672.

The product of its (nonzero) digits is 250, while the sum is 21.

Adding to 51552011001 its reverse (10011025515), we get a palindrome (61563036516).

The spelling of 51552011001 in words is "fifty-one billion, five hundred fifty-two million, eleven thousand, one".