55147613271630 has 64 divisors (see below), whose sum is σ = 144389254579200. Its totient is φ = 13368861313920.

The previous prime is 55147613271629. The next prime is 55147613271631. The reversal of 55147613271630 is 3617231674155.

It is an interprime number because it is at equal distance from previous prime (55147613271629) and next prime (55147613271631).

It is a super-2 number, since 2×55147613271630² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55147613271631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15869916 + ... + 19030224.

It is an arithmetic number, because the mean of its divisors is an integer number (2256082102800).

Almost surely, 2^{55147613271630} is an apocalyptic number.

55147613271630 is an abundant number, since it is smaller than the sum of its proper divisors (89241641307570).

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

55147613271630 is a wasteful number, since it uses less digits than its factorization.

55147613271630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213209.

The product of its (nonzero) digits is 3175200, while the sum is 51.

The spelling of 55147613271630 in words is "fifty-five trillion, one hundred forty-seven billion, six hundred thirteen million, two hundred seventy-one thousand, six hundred thirty".