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55025250250 = 2531621135781
BaseRepresentation
bin110011001111110000…
…101010111111001010
312021000210201100000111
4303033300222333022
51400142431002000
641140034024534
73655401624055
oct631760527712
9167023640014
1055025250250
1121377356a33
12a7b7a1814a
13525bbcc699
14293dcc5a9c
151670b37cba
hexccfc2afca

55025250250 has 32 divisors (see below), whose sum is σ = 103071573072. Its totient is φ = 21996360000.

The previous prime is 55025250229. The next prime is 55025250283. The reversal of 55025250250 is 5205252055.

It can be written as a sum of positive squares in 8 ways, for example, as 137663289 + 54887586961 = 11733^2 + 234281^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337360 + ... + 473140.

Almost surely, 255025250250 is an apocalyptic number.

55025250250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55025250250 is a deficient number, since it is larger than the sum of its proper divisors (48046322822).

55025250250 is a wasteful number, since it uses less digits than its factorization.

55025250250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137419 (or 137409 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 31.

The spelling of 55025250250 in words is "fifty-five billion, twenty-five million, two hundred fifty thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 1621 3242 8105 16210 40525 81050 135781 202625 271562 405250 678905 1357810 3394525 6789050 16972625 33945250 220101001 440202002 1100505005 2201010010 5502525025 11005050050 27512625125 55025250250