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55670368 = 2513163821
BaseRepresentation
bin1101010001011…
…1011001100000
310212202100101111
43110113121200
5103222422433
65305113104
71244122165
oct324273140
9125670344
1055670368
1129473a76
1216788794
13b6c2360
14757206c
154d49dcd
hex3517660

55670368 has 48 divisors (see below), whose sum is σ = 118900656. Its totient is φ = 25505280.

The previous prime is 55670353. The next prime is 55670371. The reversal of 55670368 is 86307655.

It is a self number, because there is not a number n which added to its sum of digits gives 55670368.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67398 + ... + 68218.

It is an arithmetic number, because the mean of its divisors is an integer number (2477097).

Almost surely, 255670368 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 55670368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59450328).

55670368 is an abundant number, since it is smaller than the sum of its proper divisors (63230288).

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

55670368 is a wasteful number, since it uses less digits than its factorization.

55670368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007 (or 999 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 55670368 is about 7461.2578028105. The cubic root of 55670368 is about 381.8340881987.

The spelling of 55670368 in words is "fifty-five million, six hundred seventy thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 13 16 26 32 52 104 163 208 326 416 652 821 1304 1642 2119 2608 3284 4238 5216 6568 8476 10673 13136 16952 21346 26272 33904 42692 67808 85384 133823 170768 267646 341536 535292 1070584 1739699 2141168 3479398 4282336 6958796 13917592 27835184 55670368