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54775660 = 2252738783
BaseRepresentation
bin1101000011110…
…0111101101100
310211001220002011
43100330331230
5103010310120
65234011004
71233404542
oct320747554
9124056064
1054775660
1128a12845
1216416a64
13b46b044
1473bbd92
154c1ec5a
hex343cf6c

54775660 has 12 divisors (see below), whose sum is σ = 115028928. Its totient is φ = 21910256.

The previous prime is 54775639. The next prime is 54775691. The reversal of 54775660 is 6657745.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1369372 + ... + 1369411.

It is an arithmetic number, because the mean of its divisors is an integer number (9585744).

Almost surely, 254775660 is an apocalyptic number.

It is an amenable number.

54775660 is an abundant number, since it is smaller than the sum of its proper divisors (60253268).

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

54775660 is a wasteful number, since it uses less digits than its factorization.

54775660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738792 (or 2738790 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 54775660 is about 7401.0580324708. The cubic root of 54775660 is about 379.7774782152. Note that the first 3 decimals are identical.

The spelling of 54775660 in words is "fifty-four million, seven hundred seventy-five thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 2738783 5477566 10955132 13693915 27387830 54775660