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55750580575 = 523171936233
BaseRepresentation
bin110011111010111111…
…100101100101011111
312022220100112221011121
4303322333211211133
51403134122034300
641340024231411
74012360054534
oct637277454537
9168810487147
1055750580575
1121709827388
12a97a90b567
13534626a421
1429ac374d8b
1516b466081a
hexcfafe595f

55750580575 has 12 divisors (see below), whose sum is σ = 71360744128. Its totient is φ = 43161739200.

The previous prime is 55750580551. The next prime is 55750580579. The reversal of 55750580575 is 57508505755.

It is not a de Polignac number, because 55750580575 - 27 = 55750580447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55750580579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35967342 + ... + 35968891.

Almost surely, 255750580575 is an apocalyptic number.

55750580575 is a deficient number, since it is larger than the sum of its proper divisors (15610163553).

55750580575 is a wasteful number, since it uses less digits than its factorization.

55750580575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71936274 (or 71936269 counting only the distinct ones).

The product of its (nonzero) digits is 6125000, while the sum is 52.

The spelling of 55750580575 in words is "fifty-five billion, seven hundred fifty million, five hundred eighty thousand, five hundred seventy-five".

Divisors: 1 5 25 31 155 775 71936233 359681165 1798405825 2230023223 11150116115 55750580575