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55154522500 = 225472112612
BaseRepresentation
bin110011010111011101…
…110011100110000100
312021100210222001012121
4303113131303212010
51400424024210000
641200532455324
73661531464100
oct632735634604
9167323861177
1055154522500
1121433321100
12a83317a544
13527c921b3c
142953136900
15167c170b1a
hexcd7773984

55154522500 has 405 divisors, whose sum is σ = 156787672041. Its totient is φ = 16909200000.

The previous prime is 55154522471. The next prime is 55154522519. The reversal of 55154522500 is 522545155.

The square root of 55154522500 is 234850.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 54577369924 + 577152576 = 233618^2 + 24024^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 904172470 + ... + 904172530.

Almost surely, 255154522500 is an apocalyptic number.

55154522500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55154522500 is the 234850-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55154522500

55154522500 is an abundant number, since it is smaller than the sum of its proper divisors (101633149541).

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

55154522500 is a wasteful number, since it uses less digits than its factorization.

55154522500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 34.

The spelling of 55154522500 in words is "fifty-five billion, one hundred fifty-four million, five hundred twenty-two thousand, five hundred".