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55293097 = 1913212203
BaseRepresentation
bin1101001011101…
…1010010101001
310212001011212111
43102323102221
5103123334342
65253042321
71240661236
oct322732251
9125034774
1055293097
1129236582
12166263a1
13b5bc712
1474b478d
154cc3217
hex34bb4a9

55293097 has 8 divisors (see below), whose sum is σ = 58273760. Its totient is φ = 52319520.

The previous prime is 55293071. The next prime is 55293101. The reversal of 55293097 is 79039255.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55293097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55293037) 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, 23998 + ... + 26200.

It is an arithmetic number, because the mean of its divisors is an integer number (7284220).

Almost surely, 255293097 is an apocalyptic number.

It is an amenable number.

55293097 is a deficient number, since it is larger than the sum of its proper divisors (2980663).

55293097 is a wasteful number, since it uses less digits than its factorization.

55293097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3543.

The product of its (nonzero) digits is 85050, while the sum is 40.

The square root of 55293097 is about 7435.9328264852. The cubic root of 55293097 is about 380.9695853631.

The spelling of 55293097 in words is "fifty-five million, two hundred ninety-three thousand, ninety-seven".

Divisors: 1 19 1321 2203 25099 41857 2910163 55293097