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55051007 = 112454967
BaseRepresentation
bin1101001000000…
…0001011111111
310211120212210012
43102000023333
5103043113012
65243533435
71235632364
oct322001377
9124525705
1055051007
1129090700
121652a27b
13b53647b
14745046b
154c76622
hex34802ff

55051007 has 6 divisors (see below), whose sum is σ = 60510744. Its totient is φ = 50046260.

The previous prime is 55050997. The next prime is 55051027. The reversal of 55051007 is 70015055.

55051007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55051007 - 26 = 55050943 is a prime.

It is a super-2 number, since 2×550510072 = 6061226743428098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55051027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 227363 + ... + 227604.

It is an arithmetic number, because the mean of its divisors is an integer number (10085124).

Almost surely, 255051007 is an apocalyptic number.

55051007 is a deficient number, since it is larger than the sum of its proper divisors (5459737).

55051007 is a wasteful number, since it uses less digits than its factorization.

55051007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454989 (or 454978 counting only the distinct ones).

The product of its (nonzero) digits is 875, while the sum is 23.

The square root of 55051007 is about 7419.6365813967. The cubic root of 55051007 is about 380.4127716896.

The spelling of 55051007 in words is "fifty-five million, fifty-one thousand, seven".

Divisors: 1 11 121 454967 5004637 55051007