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55253307 = 3182310103
BaseRepresentation
bin1101001011000…
…1100100111011
310211222011021210
43102301210323
5103121101212
65252134203
71240434234
oct322614473
9124864253
1055253307
112920969a
1216607363
13b5a7585
1474a408b
154cb653c
hex34b193b

55253307 has 8 divisors (see below), whose sum is σ = 73718784. Its totient is φ = 36811688.

The previous prime is 55253293. The next prime is 55253309. The reversal of 55253307 is 70335255.

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 55253307 - 26 = 55253243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55253309) 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, 418 + ... + 10520.

It is an arithmetic number, because the mean of its divisors is an integer number (9214848).

Almost surely, 255253307 is an apocalyptic number.

55253307 is a deficient number, since it is larger than the sum of its proper divisors (18465477).

55253307 is a wasteful number, since it uses less digits than its factorization.

55253307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11929.

The product of its (nonzero) digits is 15750, while the sum is 30.

The square root of 55253307 is about 7433.2568232236. The cubic root of 55253307 is about 380.8781790318.

The spelling of 55253307 in words is "fifty-five million, two hundred fifty-three thousand, three hundred seven".

Divisors: 1 3 1823 5469 10103 30309 18417769 55253307