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BaseRepresentation
bin110011010110011000…
…000111110010000000
312021022112120222001101
4303112120013302000
51400404340130404
641155041144144
73661220302300
oct632630076200
9167275528041
1055136255104
1121423a84587
12a82902b054
135278bc7228
14295093d600
15167a7632a4
hexcd6607c80

55136255104 has 192 divisors, whose sum is σ = 132850481400. Its totient is φ = 22699622400.

The previous prime is 55136255077. The next prime is 55136255123. The reversal of 55136255104 is 40155263155.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20632449600 + 34503805504 = 143640^2 + 185752^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42379254 + ... + 42380554.

Almost surely, 255136255104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55136255104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66425240700).

55136255104 is an abundant number, since it is smaller than the sum of its proper divisors (77714226296).

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

55136255104 is a wasteful number, since it uses less digits than its factorization.

55136255104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591 (or 1572 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 55136255104 in words is "fifty-five billion, one hundred thirty-six million, two hundred fifty-five thousand, one hundred four".