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55694080 = 285133347
BaseRepresentation
bin1101010001110…
…1001100000000
310212210112220201
43110131030000
5103224202310
65305414544
71244251261
oct324351400
9125715821
1055694080
112948a872
121679a454
13b7000a0
14757a968
154d51e3a
hex351d300

55694080 has 72 divisors (see below), whose sum is σ = 143709552. Its totient is φ = 20557824.

The previous prime is 55694059. The next prime is 55694081. The reversal of 55694080 is 8049655.

It is not an unprimeable number, because it can be changed into a prime (55694081) 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, 14967 + ... + 18313.

It is an arithmetic number, because the mean of its divisors is an integer number (1995966).

Almost surely, 255694080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55694080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71854776).

55694080 is an abundant number, since it is smaller than the sum of its proper divisors (88015472).

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

55694080 is a wasteful number, since it uses less digits than its factorization.

55694080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3381 (or 3367 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 55694080 is about 7462.8466418653. The cubic root of 55694080 is about 381.8882927666. Note that the first 3 decimals are identical.

The spelling of 55694080 in words is "fifty-five million, six hundred ninety-four thousand, eighty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 128 130 160 208 256 260 320 416 520 640 832 1040 1280 1664 2080 3328 3347 4160 6694 8320 13388 16640 16735 26776 33470 43511 53552 66940 87022 107104 133880 174044 214208 217555 267760 348088 428416 435110 535520 696176 856832 870220 1071040 1392352 1740440 2142080 2784704 3480880 4284160 5569408 6961760 11138816 13923520 27847040 55694080