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55301545 = 5132371521
BaseRepresentation
bin1101001011110…
…1010110101001
310212001121110101
43102331112221
5103124122140
65253145401
71241024665
oct322752651
9125047411
1055301545
1129241962
121662b261
13b5c3510
1474b78a5
154cc599a
hex34bd5a9

55301545 has 32 divisors (see below), whose sum is σ = 75769344. Its totient is φ = 38438400.

The previous prime is 55301539. The next prime is 55301593. The reversal of 55301545 is 54510355.

It is not a de Polignac number, because 55301545 - 23 = 55301537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105885 + ... + 106405.

It is an arithmetic number, because the mean of its divisors is an integer number (2367792).

Almost surely, 255301545 is an apocalyptic number.

It is an amenable number.

55301545 is a deficient number, since it is larger than the sum of its proper divisors (20467799).

55301545 is a wasteful number, since it uses less digits than its factorization.

55301545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 55301545 is about 7436.5008572581. The cubic root of 55301545 is about 380.9889866226.

The spelling of 55301545 in words is "fifty-five million, three hundred one thousand, five hundred forty-five".

Divisors: 1 5 13 23 65 71 115 299 355 521 923 1495 1633 2605 4615 6773 8165 11983 21229 33865 36991 59915 106145 155779 184955 480883 778895 850793 2404415 4253965 11060309 55301545