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55672671 = 3172157409
BaseRepresentation
bin1101010001011…
…1111101011111
310212202110112210
43110113331133
5103223011141
65305131503
71244131665
oct324277537
9125673483
1055672671
112947577a
1216789b93
13b6c3412
147572c35
154d4a916
hex3517f5f

55672671 has 24 divisors (see below), whose sum is σ = 79549840. Its totient is φ = 34624512.

The previous prime is 55672657. The next prime is 55672681. The reversal of 55672671 is 17627655.

It is not a de Polignac number, because 55672671 - 26 = 55672607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55672601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135915 + ... + 136323.

Almost surely, 255672671 is an apocalyptic number.

55672671 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

55672671 is a deficient number, since it is larger than the sum of its proper divisors (23877169).

55672671 is a wasteful number, since it uses less digits than its factorization.

55672671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603 (or 586 counting only the distinct ones).

The product of its digits is 88200, while the sum is 39.

The square root of 55672671 is about 7461.4121317617. The cubic root of 55672671 is about 381.8393534282.

The spelling of 55672671 in words is "fifty-five million, six hundred seventy-two thousand, six hundred seventy-one".

Divisors: 1 3 17 51 157 289 409 471 867 1227 2669 6953 8007 20859 45373 64213 118201 136119 192639 354603 1091621 3274863 18557557 55672671