55210164500 has 48 divisors (see below), whose sum is σ = 122622776640. Its totient is φ = 21709748000.

The previous prime is 55210164469. The next prime is 55210164509. The reversal of 55210164500 is 546101255.

It is a happy number.

It is a super-3 number, since 3×55210164500³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55210164509) 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, 906266 + ... + 965265.

It is an arithmetic number, because the mean of its divisors is an integer number (2554641180).

Almost surely, 2^55210164500 is an apocalyptic number.

55210164500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55210164500 is an abundant number, since it is smaller than the sum of its proper divisors (67412612140).

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

55210164500 is a wasteful number, since it uses less digits than its factorization.

55210164500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871609 (or 1871597 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 55210164500 its reverse (546101255), we get a palindrome (55756265755).

The spelling of 55210164500 in words is "fifty-five billion, two hundred ten million, one hundred sixty-four thousand, five hundred".