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55017357 = 323797353
BaseRepresentation
bin1101000111011…
…1111110001101
310211112011121220
43101313332031
5103041023412
65243113553
71235432313
oct321677615
9124464556
1055017357
112906839a
12165128b9
13b524065
1474420b3
154c6b68c
hex3477f8d

55017357 has 8 divisors (see below), whose sum is σ = 76545984. Its totient is φ = 35083488.

The previous prime is 55017349. The next prime is 55017373. The reversal of 55017357 is 75371055.

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

It is not a de Polignac number, because 55017357 - 23 = 55017349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55017377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398608 + ... + 398745.

It is an arithmetic number, because the mean of its divisors is an integer number (9568248).

Almost surely, 255017357 is an apocalyptic number.

It is an amenable number.

55017357 is a deficient number, since it is larger than the sum of its proper divisors (21528627).

55017357 is a wasteful number, since it uses less digits than its factorization.

55017357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797379.

The product of its (nonzero) digits is 18375, while the sum is 33.

The square root of 55017357 is about 7417.3686034874. The cubic root of 55017357 is about 380.3352466237.

The spelling of 55017357 in words is "fifty-five million, seventeen thousand, three hundred fifty-seven".

Divisors: 1 3 23 69 797353 2392059 18339119 55017357