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54122155 = 516276653
BaseRepresentation
bin1100111001110…
…1011010101011
310202211200122021
43032131122223
5102323402110
65212005311
71225013353
oct316353253
9122750567
1054122155
112860685a
1216160837
13b29c759
14728bb63
154b412da
hex339d6ab

54122155 has 8 divisors (see below), whose sum is σ = 64996272. Its totient is φ = 43264608.

The previous prime is 54122137. The next prime is 54122179. The reversal of 54122155 is 55122145.

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 54122155 - 29 = 54121643 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4809 + ... + 11461.

It is an arithmetic number, because the mean of its divisors is an integer number (8124534).

Almost surely, 254122155 is an apocalyptic number.

54122155 is a deficient number, since it is larger than the sum of its proper divisors (10874117).

54122155 is a wasteful number, since it uses less digits than its factorization.

54122155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8285.

The product of its digits is 2000, while the sum is 25.

The square root of 54122155 is about 7356.7761281692. The cubic root of 54122155 is about 378.2611108017.

The spelling of 54122155 in words is "fifty-four million, one hundred twenty-two thousand, one hundred fifty-five".

Divisors: 1 5 1627 6653 8135 33265 10824431 54122155