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55379004 = 2238951853
BaseRepresentation
bin1101001101000…
…0010000111100
310212012112201020
43103100100330
5103134112004
65254544140
71241466552
oct323202074
9125175636
1055379004
112929507a
1216668050
13b61c855
1474d7bd2
154cdd8d9
hex34d043c

55379004 has 24 divisors (see below), whose sum is σ = 130672080. Its totient is φ = 18251904.

The previous prime is 55378957. The next prime is 55379021. The reversal of 55379004 is 40097355.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24859 + ... + 26994.

It is an arithmetic number, because the mean of its divisors is an integer number (5444670).

Almost surely, 255379004 is an apocalyptic number.

It is an amenable number.

55379004 is an abundant number, since it is smaller than the sum of its proper divisors (75293076).

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

55379004 is a wasteful number, since it uses less digits than its factorization.

55379004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51949 (or 51947 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 55379004 is about 7441.7070622271. The cubic root of 55379004 is about 381.1667830914.

It can be divided in two parts, 5537 and 9004, that added together give a palindrome (14541).

The spelling of 55379004 in words is "fifty-five million, three hundred seventy-nine thousand, four".

Divisors: 1 2 3 4 6 12 89 178 267 356 534 1068 51853 103706 155559 207412 311118 622236 4614917 9229834 13844751 18459668 27689502 55379004