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55013562 = 23223831601
BaseRepresentation
bin1101000111011…
…1000010111010
310211111222102100
43101313002322
5103040413222
65243044230
71235415252
oct321670272
9124458370
1055013562
112906555a
1216510676
13b522406
147440962
154c6a4ac
hex34770ba

55013562 has 48 divisors (see below), whose sum is σ = 125955648. Its totient is φ = 17318400.

The previous prime is 55013557. The next prime is 55013573. The reversal of 55013562 is 26531055.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33562 + ... + 35162.

It is an arithmetic number, because the mean of its divisors is an integer number (2624076).

Almost surely, 255013562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55013562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62977824).

55013562 is an abundant number, since it is smaller than the sum of its proper divisors (70942086).

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

55013562 is a wasteful number, since it uses less digits than its factorization.

55013562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715 (or 1712 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 55013562 is about 7417.1127805906. The cubic root of 55013562 is about 380.3265014717.

The spelling of 55013562 in words is "fifty-five million, thirteen thousand, five hundred sixty-two".

Divisors: 1 2 3 6 9 18 23 46 69 83 138 166 207 249 414 498 747 1494 1601 1909 3202 3818 4803 5727 9606 11454 14409 17181 28818 34362 36823 73646 110469 132883 220938 265766 331407 398649 662814 797298 1195947 2391894 3056309 6112618 9168927 18337854 27506781 55013562