55511453012 has 12 divisors (see below), whose sum is σ = 97476597876. Its totient is φ = 27660996480.

The previous prime is 55511453009. The next prime is 55511453027. The reversal of 55511453012 is 21035411555.

It can be written as a sum of positive squares in 2 ways, for example, as 52677594256 + 2833858756 = 229516^2 + 53234^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55511453012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23681189 + ... + 23683532.

It is an arithmetic number, because the mean of its divisors is an integer number (8123049823).

Almost surely, 2^55511453012 is an apocalyptic number.

It is an amenable number.

55511453012 is a deficient number, since it is larger than the sum of its proper divisors (41965144864).

55511453012 is a wasteful number, since it uses less digits than its factorization.

55511453012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47365018 (or 47365016 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

Adding to 55511453012 its reverse (21035411555), we get a palindrome (76546864567).

The spelling of 55511453012 in words is "fifty-five billion, five hundred eleven million, four hundred fifty-three thousand, twelve".