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55812741 = 3311733469
BaseRepresentation
bin1101010011101…
…0001010000101
310220000120200120
43110322022011
5103242001431
65312132153
71245254235
oct324721205
9126016616
1055812741
1129560a36
1216837059
13b7420ba
1475abcc5
154d77196
hex353a285

55812741 has 16 divisors (see below), whose sum is σ = 77283840. Its totient is φ = 35789760.

The previous prime is 55812739. The next prime is 55812749. The reversal of 55812741 is 14721855.

It is not a de Polignac number, because 55812741 - 21 = 55812739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55812749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14355 + ... + 17823.

It is an arithmetic number, because the mean of its divisors is an integer number (4830240).

Almost surely, 255812741 is an apocalyptic number.

It is an amenable number.

55812741 is a deficient number, since it is larger than the sum of its proper divisors (21471099).

55812741 is a wasteful number, since it uses less digits than its factorization.

55812741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3676.

The product of its digits is 11200, while the sum is 33.

The square root of 55812741 is about 7470.7925282396. The cubic root of 55812741 is about 382.1593155999.

The spelling of 55812741 in words is "fifty-five million, eight hundred twelve thousand, seven hundred forty-one".

Divisors: 1 3 31 93 173 519 3469 5363 10407 16089 107539 322617 600137 1800411 18604247 55812741