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54771764 = 2227749433
BaseRepresentation
bin1101000011110…
…0000000110100
310211001200201212
43100330000310
5103010144024
65233540552
71233360305
oct320740064
9124050655
1054771764
1128a0a923
1216414758
13b469338
1473ba7ac
154c1da0e
hex343c034

54771764 has 12 divisors (see below), whose sum is σ = 96198564. Its totient is φ = 27286464.

The previous prime is 54771751. The next prime is 54771767. The reversal of 54771764 is 46717745.

It can be written as a sum of positive squares in 2 ways, for example, as 22372900 + 32398864 = 4730^2 + 5692^2 .

It is a super-2 number, since 2×547717642 = 5999892263343392, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54771767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23609 + ... + 25824.

It is an arithmetic number, because the mean of its divisors is an integer number (8016547).

Almost surely, 254771764 is an apocalyptic number.

It is an amenable number.

54771764 is a deficient number, since it is larger than the sum of its proper divisors (41426800).

54771764 is a wasteful number, since it uses less digits than its factorization.

54771764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49714 (or 49712 counting only the distinct ones).

The product of its digits is 164640, while the sum is 41.

The square root of 54771764 is about 7400.7948221796. The cubic root of 54771764 is about 379.7684739231.

The spelling of 54771764 in words is "fifty-four million, seven hundred seventy-one thousand, seven hundred sixty-four".

Divisors: 1 2 4 277 554 1108 49433 98866 197732 13692941 27385882 54771764