55215301412 has 24 divisors (see below), whose sum is σ = 97099430400. Its totient is φ = 27472931456.

The previous prime is 55215301397. The next prime is 55215301439. The reversal of 55215301412 is 21410351255.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647708 + ... + 727980.

It is an arithmetic number, because the mean of its divisors is an integer number (4045809600).

Almost surely, 2^55215301412 is an apocalyptic number.

It is an amenable number.

55215301412 is a deficient number, since it is larger than the sum of its proper divisors (41884128988).

55215301412 is a wasteful number, since it uses less digits than its factorization.

55215301412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81115 (or 81113 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 55215301412 its reverse (21410351255), we get a palindrome (76625652667).

The spelling of 55215301412 in words is "fifty-five billion, two hundred fifteen million, three hundred one thousand, four hundred twelve".