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55016049 = 31143137283
BaseRepresentation
bin1101000111011…
…1101001110001
310211112002211110
43101313221301
5103041003144
65243103533
71235425434
oct321675161
9124462743
1055016049
1129067410
1216511ba9
13b52359a
14744181b
154c6b0b9
hex3477a71

55016049 has 32 divisors (see below), whose sum is σ = 82773504. Its totient is φ = 32215680.

The previous prime is 55016047. The next prime is 55016051. The reversal of 55016049 is 94061055.

It is an interprime number because it is at equal distance from previous prime (55016047) and next prime (55016051).

It is not a de Polignac number, because 55016049 - 21 = 55016047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55016047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194262 + ... + 194544.

It is an arithmetic number, because the mean of its divisors is an integer number (2586672).

Almost surely, 255016049 is an apocalyptic number.

It is an amenable number.

55016049 is a deficient number, since it is larger than the sum of its proper divisors (27757455).

55016049 is a wasteful number, since it uses less digits than its factorization.

55016049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 55016049 is about 7417.2804315328. The cubic root of 55016049 is about 380.3322325298.

The spelling of 55016049 in words is "fifty-five million, sixteen thousand, forty-nine".

Divisors: 1 3 11 33 43 129 137 283 411 473 849 1419 1507 3113 4521 5891 9339 12169 17673 36507 38771 64801 116313 133859 194403 401577 426481 1279443 1667153 5001459 18338683 55016049