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55253976 = 23319121171
BaseRepresentation
bin1101001011000…
…1101111011000
310211222012012120
43102301233120
5103121111401
65252141240
71240436211
oct322615730
9124865176
1055253976
112920a148
1216607820
13b5a797b
1474a4408
154cb6836
hex34b1bd8

55253976 has 32 divisors (see below), whose sum is σ = 145406400. Its totient is φ = 17448480.

The previous prime is 55253971. The next prime is 55254007. The reversal of 55253976 is 67935255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55253971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60130 + ... + 61041.

It is an arithmetic number, because the mean of its divisors is an integer number (4543950).

Almost surely, 255253976 is an apocalyptic number.

It is an amenable number.

55253976 is an abundant number, since it is smaller than the sum of its proper divisors (90152424).

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

55253976 is a wasteful number, since it uses less digits than its factorization.

55253976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121199 (or 121195 counting only the distinct ones).

The product of its digits is 283500, while the sum is 42.

The square root of 55253976 is about 7433.3018235506. The cubic root of 55253976 is about 380.8797162337.

The spelling of 55253976 in words is "fifty-five million, two hundred fifty-three thousand, nine hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 121171 242342 363513 484684 727026 969368 1454052 2302249 2908104 4604498 6906747 9208996 13813494 18417992 27626988 55253976