51552243153 has 32 divisors (see below), whose sum is σ = 81142646400. Its totient is φ = 32286195648.

The previous prime is 51552243151. The next prime is 51552243167. The reversal of 51552243153 is 35134225515.

51552243153 is a `hidden beast` number, since 5 + 1 + 552 + 24 + 31 + 53 = 666.

It is not a de Polignac number, because 51552243153 - 2¹ = 51552243151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51552243151) 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 31 ways as a sum of consecutive naturals, for example, 860751 + ... + 918692.

It is an arithmetic number, because the mean of its divisors is an integer number (2535707700).

Almost surely, 2^51552243153 is an apocalyptic number.

It is an amenable number.

51552243153 is a deficient number, since it is larger than the sum of its proper divisors (29590403247).

51552243153 is a wasteful number, since it uses less digits than its factorization.

51552243153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779518 (or 1779512 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

Adding to 51552243153 its reverse (35134225515), we get a palindrome (86686468668).

The spelling of 51552243153 in words is "fifty-one billion, five hundred fifty-two million, two hundred forty-three thousand, one hundred fifty-three".