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55394495 = 5132929387
BaseRepresentation
bin1101001101010…
…0000010111111
310212020022221222
43103110002333
5103140110440
65255143555
71241562662
oct323240277
9125208858
1055394495
11292a5782
1216674bbb
13b626910
1474dd6d9
154ce32b5
hex34d40bf

55394495 has 16 divisors (see below), whose sum is σ = 74057760. Its totient is φ = 39494784.

The previous prime is 55394491. The next prime is 55394509. The reversal of 55394495 is 59449355.

It is a cyclic number.

It is not a de Polignac number, because 55394495 - 22 = 55394491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55394491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12809 + ... + 16578.

It is an arithmetic number, because the mean of its divisors is an integer number (4628610).

Almost surely, 255394495 is an apocalyptic number.

55394495 is a deficient number, since it is larger than the sum of its proper divisors (18663265).

55394495 is a wasteful number, since it uses less digits than its factorization.

55394495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29434.

The product of its digits is 486000, while the sum is 44.

The square root of 55394495 is about 7442.7478124682. The cubic root of 55394495 is about 381.2023206522.

The spelling of 55394495 in words is "fifty-five million, three hundred ninety-four thousand, four hundred ninety-five".

Divisors: 1 5 13 29 65 145 377 1885 29387 146935 382031 852223 1910155 4261115 11078899 55394495