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55235530525 = 527245090229
BaseRepresentation
bin110011011100010010…
…110100111100011101
312021120110101200022211
4303130102310330131
51401110243434100
641212545040421
73663534156100
oct633422647435
9167513350284
1055235530525
112147502068a
12a856326111
135293645c96
14295dbc2737
1516843231ba
hexcdc4b4f1d

55235530525 has 18 divisors (see below), whose sum is σ = 79674436410. Its totient is φ = 37875791520.

The previous prime is 55235530507. The next prime is 55235530531. The reversal of 55235530525 is 52503553255.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 5141033401 + 50094497124 = 71701^2 + 223818^2 .

It is not a de Polignac number, because 55235530525 - 29 = 55235530013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 22543890 + ... + 22546339.

Almost surely, 255235530525 is an apocalyptic number.

It is an amenable number.

55235530525 is a deficient number, since it is larger than the sum of its proper divisors (24438905885).

55235530525 is a wasteful number, since it uses less digits than its factorization.

55235530525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45090253 (or 45090241 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 40.

The spelling of 55235530525 in words is "fifty-five billion, two hundred thirty-five million, five hundred thirty thousand, five hundred twenty-five".

Divisors: 1 5 7 25 35 49 175 245 1225 45090229 225451145 315631603 1127255725 1578158015 2209421221 7890790075 11047106105 55235530525