55622163500 has 24 divisors (see below), whose sum is σ = 121478806176. Its totient is φ = 22248865200.

The previous prime is 55622163497. The next prime is 55622163503. The reversal of 55622163500 is 536122655.

It is an interprime number because it is at equal distance from previous prime (55622163497) and next prime (55622163503).

It is not an unprimeable number, because it can be changed into a prime (55622163503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55621664 + ... + 55622663.

It is an arithmetic number, because the mean of its divisors is an integer number (5061616924).

Almost surely, 2^55622163500 is an apocalyptic number.

55622163500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55622163500 is an abundant number, since it is smaller than the sum of its proper divisors (65856642676).

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

55622163500 is a wasteful number, since it uses less digits than its factorization.

55622163500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111244346 (or 111244334 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 55622163500 in words is "fifty-five billion, six hundred twenty-two million, one hundred sixty-three thousand, five hundred".