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55493349 = 3432771553
BaseRepresentation
bin1101001110110…
…0001011100101
310212102100120020
43103230023211
5103201241344
65301225353
71242454122
oct323541345
9125370506
1055493349
1129362a7a
1216702259
13b65c902
147527749
154d12719
hex34ec2e5

55493349 has 16 divisors (see below), whose sum is σ = 76034112. Its totient is φ = 35981568.

The previous prime is 55493329. The next prime is 55493351. The reversal of 55493349 is 94339455.

It is a happy number.

It is not a de Polignac number, because 55493349 - 28 = 55493093 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55493349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55493329) 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, 34957 + ... + 36509.

It is an arithmetic number, because the mean of its divisors is an integer number (4752132).

Almost surely, 255493349 is an apocalyptic number.

It is an amenable number.

55493349 is a deficient number, since it is larger than the sum of its proper divisors (20540763).

55493349 is a wasteful number, since it uses less digits than its factorization.

55493349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876.

The product of its digits is 291600, while the sum is 42.

The square root of 55493349 is about 7449.3858136091. The cubic root of 55493349 is about 381.4289435353.

The spelling of 55493349 in words is "fifty-five million, four hundred ninety-three thousand, three hundred forty-nine".

Divisors: 1 3 43 129 277 831 1553 4659 11911 35733 66779 200337 430181 1290543 18497783 55493349