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54695720 = 2351367393
BaseRepresentation
bin1101000010100…
…1011100101000
310210220211102102
43100221130220
5103000230340
65232152532
71232622512
oct320513450
9123824372
1054695720
1128968782
1216398748
13b440841
14739abb2
154c06215
hex3429728

54695720 has 16 divisors (see below), whose sum is σ = 123065460. Its totient is φ = 21878272.

The previous prime is 54695701. The next prime is 54695741. The reversal of 54695720 is 2759645.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 53202436 + 1493284 = 7294^2 + 1222^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683657 + ... + 683736.

Almost surely, 254695720 is an apocalyptic number.

It is an amenable number.

54695720 is an abundant number, since it is smaller than the sum of its proper divisors (68369740).

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

54695720 is a wasteful number, since it uses less digits than its factorization.

54695720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367404 (or 1367400 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 54695720 is about 7395.6554814296. The cubic root of 54695720 is about 379.5926382546.

The spelling of 54695720 in words is "fifty-four million, six hundred ninety-five thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1367393 2734786 5469572 6836965 10939144 13673930 27347860 54695720