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55351030 = 2571017829
BaseRepresentation
bin1101001100100…
…1011011110110
310212011010100011
43103021123312
5103132213110
65254210434
71241322160
oct323113366
9125133304
1055351030
1129276059
1216653a1a
13b60cbb7
1474cb930
154cd548a
hex34c96f6

55351030 has 32 divisors (see below), whose sum is σ = 115007040. Its totient is φ = 18787200.

The previous prime is 55350989. The next prime is 55351039. The reversal of 55351030 is 3015355.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 55350992 and 55351010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55351039) 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, 3156 + ... + 10984.

It is an arithmetic number, because the mean of its divisors is an integer number (3593970).

Almost surely, 255351030 is an apocalyptic number.

55351030 is an abundant number, since it is smaller than the sum of its proper divisors (59656010).

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

55351030 is a wasteful number, since it uses less digits than its factorization.

55351030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7944.

The product of its (nonzero) digits is 1125, while the sum is 22.

The square root of 55351030 is about 7439.8272829415. The cubic root of 55351030 is about 381.1025917631.

Adding to 55351030 its reverse (3015355), we get a palindrome (58366385).

The spelling of 55351030 in words is "fifty-five million, three hundred fifty-one thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 101 202 505 707 1010 1414 3535 7070 7829 15658 39145 54803 78290 109606 274015 548030 790729 1581458 3953645 5535103 7907290 11070206 27675515 55351030