55544525353212 has 24 divisors (see below), whose sum is σ = 148118734275456. Its totient is φ = 15869864386608.

The previous prime is 55544525353201. The next prime is 55544525353223. The reversal of 55544525353212 is 21235352544555.

It is an interprime number because it is at equal distance from previous prime (55544525353201) and next prime (55544525353223).

It is a super-2 number, since 2×55544525353212² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330622174638 + ... + 330622174805.

It is an arithmetic number, because the mean of its divisors is an integer number (6171613928144).

Almost surely, 2^{55544525353212} is an apocalyptic number.

It is an amenable number.

55544525353212 is an abundant number, since it is smaller than the sum of its proper divisors (92574208922244).

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

55544525353212 is a wasteful number, since it uses less digits than its factorization.

55544525353212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661244349457 (or 661244349455 counting only the distinct ones).

The product of its digits is 18000000, while the sum is 51.

Adding to 55544525353212 its reverse (21235352544555), we get a palindrome (76779877897767).

The spelling of 55544525353212 in words is "fifty-five trillion, five hundred forty-four billion, five hundred twenty-five million, three hundred fifty-three thousand, two hundred twelve".