55502662215102 has 32 divisors (see below), whose sum is σ = 111860035663488. Its totient is φ = 18358788576096.

The previous prime is 55502662214977. The next prime is 55502662215107. The reversal of 55502662215102 is 20151226620555.

It is a happy number.

It is a super-2 number, since 2×55502662215102² (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 (55502662215107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43501153 + ... + 44758860.

It is an arithmetic number, because the mean of its divisors is an integer number (3495626114484).

Almost surely, 2^{55502662215102} is an apocalyptic number.

55502662215102 is an abundant number, since it is smaller than the sum of its proper divisors (56357373448386).

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

55502662215102 is a wasteful number, since it uses less digits than its factorization.

55502662215102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88260824.

The product of its (nonzero) digits is 360000, while the sum is 42.

Adding to 55502662215102 its reverse (20151226620555), we get a palindrome (75653888835657).

The spelling of 55502662215102 in words is "fifty-five trillion, five hundred two billion, six hundred sixty-two million, two hundred fifteen thousand, one hundred two".