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55042153810 = 257786316483
BaseRepresentation
bin110011010000110001…
…001001110101010010
312021001222112010100021
4303100301021311102
51400211242410220
641141440214054
73655665405430
oct632061116522
9167058463307
1055042153810
1121385951916
12a80160a32a
13526256a5a7
142942245d50
1516723764aa
hexcd0c49d52

55042153810 has 16 divisors (see below), whose sum is σ = 113229573696. Its totient is φ = 18871595568.

The previous prime is 55042153807. The next prime is 55042153843. The reversal of 55042153810 is 1835124055.

It is a super-2 number, since 2×550421538102 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393158172 + ... + 393158311.

It is an arithmetic number, because the mean of its divisors is an integer number (7076848356).

Almost surely, 255042153810 is an apocalyptic number.

55042153810 is an abundant number, since it is smaller than the sum of its proper divisors (58187419886).

55042153810 is a wasteful number, since it uses less digits than its factorization.

55042153810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786316497.

The product of its (nonzero) digits is 24000, while the sum is 34.

Adding to 55042153810 its reverse (1835124055), we get a palindrome (56877277865).

The spelling of 55042153810 in words is "fifty-five billion, forty-two million, one hundred fifty-three thousand, eight hundred ten".

Divisors: 1 2 5 7 10 14 35 70 786316483 1572632966 3931582415 5504215381 7863164830 11008430762 27521076905 55042153810