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55295814 = 2372192521
BaseRepresentation
bin1101001011101…
…1111101000110
310212001022121010
43102323331012
5103123431224
65253103050
71241002200
oct322737506
9125038533
1055295814
1129238622
1216627a86
13b5c0a22
1474b5770
154cc3e29
hex34bbf46

55295814 has 72 divisors (see below), whose sum is σ = 136035288. Its totient is φ = 14938560.

The previous prime is 55295777. The next prime is 55295819. The reversal of 55295814 is 41859255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55295819) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 105874 + ... + 106394.

It is an arithmetic number, because the mean of its divisors is an integer number (1889379).

Almost surely, 255295814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55295814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68017644).

55295814 is an abundant number, since it is smaller than the sum of its proper divisors (80739474).

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

55295814 is a wasteful number, since it uses less digits than its factorization.

55295814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 552 counting only the distinct ones).

The product of its digits is 72000, while the sum is 39.

The square root of 55295814 is about 7436.1155181990. The cubic root of 55295814 is about 380.9758253067.

The spelling of 55295814 in words is "fifty-five million, two hundred ninety-five thousand, eight hundred fourteen".

Divisors: 1 2 3 6 7 14 19 21 38 42 49 57 98 114 133 147 266 294 361 399 521 722 798 931 1042 1083 1563 1862 2166 2527 2793 3126 3647 5054 5586 7294 7581 9899 10941 15162 17689 19798 21882 25529 29697 35378 51058 53067 59394 69293 76587 106134 138586 153174 188081 207879 376162 415758 485051 564243 970102 1128486 1316567 1455153 2633134 2910306 3949701 7899402 9215969 18431938 27647907 55295814