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55254250 = 2531713001
BaseRepresentation
bin1101001011000…
…1110011101010
310211222012120201
43102301303222
5103121114000
65252142414
71240440052
oct322616352
9124865521
1055254250
112920a377
1216607a0a
13b5a7b2c
1474a4562
154cb696a
hex34b1cea

55254250 has 32 divisors (see below), whose sum is σ = 109528848. Its totient is φ = 20800000.

The previous prime is 55254217. The next prime is 55254253. The reversal of 55254250 is 5245255.

It can be written as a sum of positive squares in 8 ways, for example, as 4761 + 55249489 = 69^2 + 7433^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55254253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2251 + ... + 10750.

Almost surely, 255254250 is an apocalyptic number.

55254250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55254250 is a deficient number, since it is larger than the sum of its proper divisors (54274598).

55254250 is a wasteful number, since it uses less digits than its factorization.

55254250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13035 (or 13025 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 55254250 is about 7433.3202540991. The cubic root of 55254250 is about 380.8803458166.

The spelling of 55254250 in words is "fifty-five million, two hundred fifty-four thousand, two hundred fifty".

Divisors: 1 2 5 10 17 25 34 50 85 125 170 250 425 850 2125 4250 13001 26002 65005 130010 221017 325025 442034 650050 1105085 1625125 2210170 3250250 5525425 11050850 27627125 55254250