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55057701 = 340145767
BaseRepresentation
bin1101001000000…
…1110100100101
310211121012222010
43102001310211
5103043321301
65244024433
71235661036
oct322016445
9124535863
1055057701
1129095736
1216532119
13b53952a
147452a8d
154c785d6
hex3481d25

55057701 has 8 divisors (see below), whose sum is σ = 73594944. Its totient is φ = 36612800.

The previous prime is 55057663. The next prime is 55057703. The reversal of 55057701 is 10775055.

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

It is a cyclic number.

It is not a de Polignac number, because 55057701 - 213 = 55049509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55057703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21681 + ... + 24086.

It is an arithmetic number, because the mean of its divisors is an integer number (9199368).

Almost surely, 255057701 is an apocalyptic number.

It is an amenable number.

55057701 is a deficient number, since it is larger than the sum of its proper divisors (18537243).

55057701 is a wasteful number, since it uses less digits than its factorization.

55057701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46171.

The product of its (nonzero) digits is 6125, while the sum is 30.

The square root of 55057701 is about 7420.0876679457. The cubic root of 55057701 is about 380.4281899960.

The spelling of 55057701 in words is "fifty-five million, fifty-seven thousand, seven hundred one".

Divisors: 1 3 401 1203 45767 137301 18352567 55057701