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55353157 = 234158699
BaseRepresentation
bin1101001100100…
…1111101000101
310212011020020221
43103021331011
5103132300112
65254224341
71241331316
oct323117505
9125136227
1055353157
1129277712
12166550b1
13b610b62
1474cc60d
154cd5e07
hex34c9f45

55353157 has 8 divisors (see below), whose sum is σ = 59169600. Its totient is φ = 51654240.

The previous prime is 55353119. The next prime is 55353161. The reversal of 55353157 is 75135355.

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 55353157 - 27 = 55353029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55357157) 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, 28407 + ... + 30292.

It is an arithmetic number, because the mean of its divisors is an integer number (7396200).

Almost surely, 255353157 is an apocalyptic number.

It is an amenable number.

55353157 is a deficient number, since it is larger than the sum of its proper divisors (3816443).

55353157 is a wasteful number, since it uses less digits than its factorization.

55353157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58763.

The product of its digits is 39375, while the sum is 34.

The square root of 55353157 is about 7439.9702284351. The cubic root of 55353157 is about 381.1074733033.

The spelling of 55353157 in words is "fifty-five million, three hundred fifty-three thousand, one hundred fifty-seven".

Divisors: 1 23 41 943 58699 1350077 2406659 55353157