55402143562360 has 128 divisors (see below), whose sum is σ = 144474812835840. Its totient is φ = 18726753830400.

The previous prime is 55402143562333. The next prime is 55402143562453. The reversal of 55402143562360 is 6326534120455.

It is a super-2 number, since 2×55402143562360² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55402143562360.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 819439677 + ... + 819507283.

It is an arithmetic number, because the mean of its divisors is an integer number (1128709475280).

Almost surely, 2^{55402143562360} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55402143562360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72237406417920).

55402143562360 is an abundant number, since it is smaller than the sum of its proper divisors (89072669273480).

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

55402143562360 is a wasteful number, since it uses less digits than its factorization.

55402143562360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108917 (or 108913 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 55402143562360 in words is "fifty-five trillion, four hundred two billion, one hundred forty-three million, five hundred sixty-two thousand, three hundred sixty".