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55345010 = 2572179631
BaseRepresentation
bin1101001100011…
…1111101110010
310212010211002012
43103013331302
5103132020020
65254122522
71241265500
oct323077562
9125124065
1055345010
1129271586
1216650442
13b60a236
1474c9670
154cd37c5
hex34c7f72

55345010 has 48 divisors (see below), whose sum is σ = 116717760. Its totient is φ = 18839520.

The previous prime is 55344977. The next prime is 55345019. The reversal of 55345010 is 1054355.

It is not an unprimeable number, because it can be changed into a prime (55345019) 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, 87395 + ... + 88025.

It is an arithmetic number, because the mean of its divisors is an integer number (2431620).

Almost surely, 255345010 is an apocalyptic number.

55345010 is an abundant number, since it is smaller than the sum of its proper divisors (61372750).

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

55345010 is a wasteful number, since it uses less digits than its factorization.

55345010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831 (or 824 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 55345010 is about 7439.4226926557. The cubic root of 55345010 is about 381.0887749724.

Adding to 55345010 its reverse (1054355), we get a palindrome (56399365).

The spelling of 55345010 in words is "fifty-five million, three hundred forty-five thousand, ten".

Divisors: 1 2 5 7 10 14 35 49 70 98 179 245 358 490 631 895 1253 1262 1790 2506 3155 4417 6265 6310 8771 8834 12530 17542 22085 30919 43855 44170 61838 87710 112949 154595 225898 309190 564745 790643 1129490 1581286 3953215 5534501 7906430 11069002 27672505 55345010