55251201353120 has 24 divisors (see below), whose sum is σ = 130530963197124. Its totient is φ = 22100480541184.

The previous prime is 55251201353083. The next prime is 55251201353123. The reversal of 55251201353120 is 2135310215255.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 52695461978896 + 2555739374224 = 7259164^2 + 1598668^2 .

It is not an unprimeable number, because it can be changed into a prime (55251201353123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172660004069 + ... + 172660004388.

Almost surely, 2^{55251201353120} is an apocalyptic number.

It is an amenable number.

55251201353120 is an abundant number, since it is smaller than the sum of its proper divisors (75279761844004).

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

55251201353120 is a wasteful number, since it uses less digits than its factorization.

55251201353120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345320008472 (or 345320008464 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

Adding to 55251201353120 its reverse (2135310215255), we get a palindrome (57386511568375).

The spelling of 55251201353120 in words is "fifty-five trillion, two hundred fifty-one billion, two hundred one million, three hundred fifty-three thousand, one hundred twenty".