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54355224021 = 37151161310627
BaseRepresentation
bin110010100111110100…
…101110010111010101
312012022002221110211020
4302213310232113111
51342304414132041
640545341031353
73632654531610
oct624764562725
9165262843736
1054355224021
112106311a34a
12a64b555559
135183156367
1428b8d11177
151631dd6866
hexca7d2e5d5

54355224021 has 32 divisors (see below), whose sum is σ = 83435071488. Its totient is φ = 30832401600.

The previous prime is 54355223983. The next prime is 54355224047. The reversal of 54355224021 is 12042255345.

It is a happy number.

It is not a de Polignac number, because 54355224021 - 219 = 54354699733 is a prime.

It is a super-3 number, since 3×543552240213 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54355225021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5109510 + ... + 5120136.

It is an arithmetic number, because the mean of its divisors is an integer number (2607345984).

Almost surely, 254355224021 is an apocalyptic number.

It is an amenable number.

54355224021 is a deficient number, since it is larger than the sum of its proper divisors (29079847467).

54355224021 is a wasteful number, since it uses less digits than its factorization.

54355224021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12401.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 54355224021 its reverse (12042255345), we get a palindrome (66397479366).

The spelling of 54355224021 in words is "fifty-four billion, three hundred fifty-five million, two hundred twenty-four thousand, twenty-one".

Divisors: 1 3 7 21 151 453 1057 1613 3171 4839 10627 11291 31881 33873 74389 223167 243563 730689 1604677 1704941 4814031 5114823 11232739 17141351 33698217 51424053 119989457 359968371 2588344001 7765032003 18118408007 54355224021