55523113500 has 288 divisors, whose sum is σ = 172760620032. Its totient is φ = 13853721600.

The previous prime is 55523113447. The next prime is 55523113511. The reversal of 55523113500 is 531132555.

It is a super-2 number, since 2×55523113500² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 114010257 + ... + 114010743.

It is an arithmetic number, because the mean of its divisors is an integer number (599863264).

Almost surely, 2^55523113500 is an apocalyptic number.

55523113500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55523113500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86380310016).

55523113500 is an abundant number, since it is smaller than the sum of its proper divisors (117237506532).

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

55523113500 is a wasteful number, since it uses less digits than its factorization.

55523113500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806 (or 777 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 30.

The spelling of 55523113500 in words is "fifty-five billion, five hundred twenty-three million, one hundred thirteen thousand, five hundred".