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55015379064 = 23331043324413
BaseRepresentation
bin110011001111001011…
…000001000001111000
312021000010010211022000
4303033023001001320
51400132414112224
641135042301000
73655222002102
oct631713010170
9167003124260
1055015379064
1121371824628
12a7b4657760
135259b54649
14293c876572
15166ed380c9
hexccf2c1078

55015379064 has 64 divisors (see below), whose sum is σ = 152841405600. Its totient is φ = 18335950848.

The previous prime is 55015379063. The next prime is 55015379099. The reversal of 55015379064 is 46097351055.

55015379064 is a `hidden beast` number, since 5 + 50 + 1 + 537 + 9 + 0 + 64 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55015379063) 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, 2241322 + ... + 2265734.

Almost surely, 255015379064 is an apocalyptic number.

55015379064 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

55015379064 is an abundant number, since it is smaller than the sum of its proper divisors (97826026536).

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

55015379064 is a wasteful number, since it uses less digits than its factorization.

55015379064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34861 (or 34851 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 45.

The spelling of 55015379064 in words is "fifty-five billion, fifteen million, three hundred seventy-nine thousand, sixty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 10433 20866 24413 31299 41732 48826 62598 73239 83464 93897 97652 125196 146478 187794 195304 219717 250392 281691 292956 375588 439434 563382 585912 659151 751176 878868 1126764 1318302 1757736 2253528 2636604 5273208 254700829 509401658 764102487 1018803316 1528204974 2037606632 2292307461 3056409948 4584614922 6112819896 6876922383 9169229844 13753844766 18338459688 27507689532 55015379064