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54475657445 = 5112101891509
BaseRepresentation
bin110010101111000000…
…001001000011100101
312012121111120010102102
4302233000021003211
51343031232014240
641005322221445
73635646306506
oct625700110345
9165544503372
1054475657445
11211150a7800
12a683954885
1351a20a2641
1428cad00bad
15163c775815
hexcaf0090e5

54475657445 has 24 divisors (see below), whose sum is σ = 72565347960. Its totient is φ = 39226352000.

The previous prime is 54475657421. The next prime is 54475657469.

54475657445 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (54475657421) and next prime (54475657469).

It can be written as a sum of positive squares in 4 ways, for example, as 8460688324 + 46014969121 = 91982^2 + 214511^2 .

It is not a de Polignac number, because 54475657445 - 214 = 54475641061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 384650 + ... + 506859.

It is an arithmetic number, because the mean of its divisors is an integer number (3023556165).

Almost surely, 254475657445 is an apocalyptic number.

54475657445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54475657445 is a deficient number, since it is larger than the sum of its proper divisors (18089690515).

54475657445 is a wasteful number, since it uses less digits than its factorization.

54475657445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891637 (or 891626 counting only the distinct ones).

The product of its digits is 47040000, while the sum is 56.

The spelling of 54475657445 in words is "fifty-four billion, four hundred seventy-five million, six hundred fifty-seven thousand, four hundred forty-five".

Divisors: 1 5 11 55 101 121 505 605 1111 5555 12221 61105 891509 4457545 9806599 49032995 90042409 107872589 450212045 539362945 990466499 4952332495 10895131489 54475657445