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55494910 = 255639857
BaseRepresentation
bin1101001110110…
…0100011111110
310212102102201001
43103230203332
5103201314120
65301240514
71242461512
oct323544376
9125372631
1055494910
1129364169
121670313a
13b660533
147528142
154d12e0a
hex34ec8fe

55494910 has 16 divisors (see below), whose sum is σ = 100078416. Its totient is φ = 22156288.

The previous prime is 55494863. The next prime is 55494911. The reversal of 55494910 is 1949455.

It is a super-3 number, since 3×554949103 (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55494910.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55494911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 702 + ... + 10558.

It is an arithmetic number, because the mean of its divisors is an integer number (6254901).

Almost surely, 255494910 is an apocalyptic number.

55494910 is a deficient number, since it is larger than the sum of its proper divisors (44583506).

55494910 is a wasteful number, since it uses less digits than its factorization.

55494910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10427.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 55494910 is about 7449.4905866106. The cubic root of 55494910 is about 381.4325199699.

The spelling of 55494910 in words is "fifty-five million, four hundred ninety-four thousand, nine hundred ten".

Divisors: 1 2 5 10 563 1126 2815 5630 9857 19714 49285 98570 5549491 11098982 27747455 55494910