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55553039 = 1311992131
BaseRepresentation
bin1101001111101…
…0110000001111
310212112101102222
43103322300033
5103210144124
65302405555
71243123133
oct323726017
9125471388
1055553039
11293a3903
12167308bb
13b680b29
1475413c3
154d2525e
hex34fac0f

55553039 has 8 divisors (see below), whose sum is σ = 56284800. Its totient is φ = 54826200.

The previous prime is 55552993. The next prime is 55553053. The reversal of 55553039 is 93035555.

55553039 = 1572 + 1582 + ... + 5542.

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 55553039 - 216 = 55487503 is a prime.

It is a super-3 number, since 3×555530393 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55553639) 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, 25004 + ... + 27134.

It is an arithmetic number, because the mean of its divisors is an integer number (7035600).

Almost surely, 255553039 is an apocalyptic number.

55553039 is a deficient number, since it is larger than the sum of its proper divisors (731761).

55553039 is a wasteful number, since it uses less digits than its factorization.

55553039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461.

The product of its (nonzero) digits is 50625, while the sum is 35.

The square root of 55553039 is about 7453.3911074088. The cubic root of 55553039 is about 381.5656526235.

The spelling of 55553039 in words is "fifty-five million, five hundred fifty-three thousand, thirty-nine".

Divisors: 1 131 199 2131 26069 279161 424069 55553039