55022229504 has 864 divisors, whose sum is σ = 197829777600. Its totient is φ = 15109079040.

The previous prime is 55022229491. The next prime is 55022229539. The reversal of 55022229504 is 40592222055.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2392270837 + ... + 2392270859.

It is an arithmetic number, because the mean of its divisors is an integer number (228969650).

Almost surely, 2^55022229504 is an apocalyptic number.

55022229504 is a gapful number since it is divisible by the number (54) 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 55022229504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98914888800).

55022229504 is an abundant number, since it is smaller than the sum of its proper divisors (142807548096).

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

55022229504 is a wasteful number, since it uses less digits than its factorization.

55022229504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 55022229504 in words is "fifty-five billion, twenty-two million, two hundred twenty-nine thousand, five hundred four".