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54387556352 = 2143319553
BaseRepresentation
bin110010101001110000…
…000100000000000000
312012101100210010102222
4302221300010000000
51342341203300402
640552454030212
73633526413143
oct625160040000
9165340703388
1054387556352
112107a3a3088
12a65a348368
135189a66b0c
1428bd32a05a
151634b717a2
hexca9c04000

54387556352 has 30 divisors (see below), whose sum is σ = 108771825918. Its totient is φ = 27193769984.

The previous prime is 54387556319. The next prime is 54387556403. The reversal of 54387556352 is 25365578345.

It can be written as a sum of positive squares in only one way, i.e., 43691032576 + 10696523776 = 209024^2 + 103424^2 .

It is a junction number, because it is equal to n+sod(n) for n = 54387556294 and 54387556303.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1643393 + ... + 1676160.

Almost surely, 254387556352 is an apocalyptic number.

It is an amenable number.

54387556352 is a deficient number, since it is larger than the sum of its proper divisors (54384269566).

54387556352 is an frugal number, since it uses more digits than its factorization.

54387556352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319581 (or 3319555 counting only the distinct ones).

The product of its digits is 15120000, while the sum is 53.

The spelling of 54387556352 in words is "fifty-four billion, three hundred eighty-seven million, five hundred fifty-six thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 3319553 6639106 13278212 26556424 53112848 106225696 212451392 424902784 849805568 1699611136 3399222272 6798444544 13596889088 27193778176 54387556352