55322538000 has 320 divisors, whose sum is σ = 184939782144. Its totient is φ = 14212800000.

The previous prime is 55322537983. The next prime is 55322538059. The reversal of 55322538000 is 83522355.

It is a super-2 number, since 2×55322538000² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52637475 + ... + 52638525.

Almost surely, 2^55322538000 is an apocalyptic number.

55322538000 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 55322538000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92469891072).

55322538000 is an abundant number, since it is smaller than the sum of its proper divisors (129617244144).

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

55322538000 is a wasteful number, since it uses less digits than its factorization.

55322538000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391 (or 1375 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 55322538000 in words is "fifty-five billion, three hundred twenty-two million, five hundred thirty-eight thousand".