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55256001 = 3171083451
BaseRepresentation
bin1101001011001…
…0001111000001
310211222021222120
43102302033001
5103121143001
65252154453
71240445133
oct322621701
9124867876
1055256001
1129210719
1216608a29
13b5a8878
1474a5053
154cb7236
hex34b23c1

55256001 has 8 divisors (see below), whose sum is σ = 78008544. Its totient is φ = 34670400.

The previous prime is 55255999. The next prime is 55256021. The reversal of 55256001 is 10065255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55256001 - 21 = 55255999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55256021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541675 + ... + 541776.

It is an arithmetic number, because the mean of its divisors is an integer number (9751068).

Almost surely, 255256001 is an apocalyptic number.

55256001 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

55256001 is a deficient number, since it is larger than the sum of its proper divisors (22752543).

55256001 is a wasteful number, since it uses less digits than its factorization.

55256001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083471.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 55256001 is about 7433.4380336423. The cubic root of 55256001 is about 380.8843691236.

The spelling of 55256001 in words is "fifty-five million, two hundred fifty-six thousand, one".

Divisors: 1 3 17 51 1083451 3250353 18418667 55256001