55316154205512 has 32 divisors (see below), whose sum is σ = 153655983904800. Its totient is φ = 18438718068432.

The previous prime is 55316154205511. The next prime is 55316154205519. The reversal of 55316154205512 is 21550245161355.

55316154205512 is a `hidden beast` number, since 5 + 5 + 3 + 1 + 61 + 54 + 20 + 5 + 512 = 666.

It is a super-3 number, since 3×55316154205512³ (a number of 42 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (55316154205511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128046653038 + ... + 128046653469.

It is an arithmetic number, because the mean of its divisors is an integer number (4801749497025).

Almost surely, 2^{55316154205512} is an apocalyptic number.

It is an amenable number.

55316154205512 is an abundant number, since it is smaller than the sum of its proper divisors (98339829699288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55316154205512 is a wasteful number, since it uses less digits than its factorization.

55316154205512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256093306522 (or 256093306512 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 45.

Adding to 55316154205512 its reverse (21550245161355), we get a palindrome (76866399366867).

The spelling of 55316154205512 in words is "fifty-five trillion, three hundred sixteen billion, one hundred fifty-four million, two hundred five thousand, five hundred twelve".