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54980775 = 3452191429
BaseRepresentation
bin1101000110111…
…1000010100111
310211110022110000
43101233002213
5103033341100
65242232343
71235220543
oct321570247
9124408400
1054980775
1129042963
12164b56b3
13b510505
147432a23
154c60900
hex346f0a7

54980775 has 60 divisors (see below), whose sum is σ = 107278600. Its totient is φ = 27760320.

The previous prime is 54980759. The next prime is 54980791. The reversal of 54980775 is 57708945.

It is an interprime number because it is at equal distance from previous prime (54980759) and next prime (54980791).

It is not a de Polignac number, because 54980775 - 24 = 54980759 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 54980775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 37761 + ... + 39189.

Almost surely, 254980775 is an apocalyptic number.

54980775 is a deficient number, since it is larger than the sum of its proper divisors (52297825).

54980775 is a wasteful number, since it uses less digits than its factorization.

54980775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470 (or 1456 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 54980775 is about 7414.9022245745. The cubic root of 54980775 is about 380.2509307541.

It can be divided in two parts, 54980 and 775, that added together give a palindrome (55755).

The spelling of 54980775 in words is "fifty-four million, nine hundred eighty thousand, seven hundred seventy-five".

Divisors: 1 3 5 9 15 19 25 27 45 57 75 81 95 135 171 225 285 405 475 513 675 855 1425 1429 1539 2025 2565 4275 4287 7145 7695 12825 12861 21435 27151 35725 38475 38583 64305 81453 107175 115749 135755 192915 244359 321525 407265 578745 678775 733077 964575 1221795 2036325 2199231 2893725 3665385 6108975 10996155 18326925 54980775