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55033055 = 5711223641
BaseRepresentation
bin1101000111101…
…1110011011111
310211112222011022
43101323303133
5103042024210
65243314355
71235526140
oct321736337
9124488138
1055033055
1129079170
121651b9bb
13b52b24c
147447ac7
154c71155
hex347bcdf

55033055 has 32 divisors (see below), whose sum is σ = 82833408. Its totient is φ = 34099200.

The previous prime is 55033049. The next prime is 55033057.

It can be divided in two parts, 5503 and 3055, that added together give a palindrome (8558).

55033055 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55033055 - 28 = 55032799 is a prime.

It is a super-3 number, since 3×550330553 (a number of 24 digits) contains 333 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55033057) 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, 85535 + ... + 86175.

It is an arithmetic number, because the mean of its divisors is an integer number (2588544).

Almost surely, 255033055 is an apocalyptic number.

55033055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55033055 is a deficient number, since it is larger than the sum of its proper divisors (27800353).

55033055 is a wasteful number, since it uses less digits than its factorization.

55033055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887.

The product of its (nonzero) digits is 5625, while the sum is 26.

The square root of 55033055 is about 7418.4267199993. The cubic root of 55033055 is about 380.3714166330.

The spelling of 55033055 in words is "fifty-five million, thirty-three thousand, fifty-five".

Divisors: 1 5 7 11 35 55 77 223 385 641 1115 1561 2453 3205 4487 7051 7805 12265 17171 22435 35255 49357 85855 142943 246785 714715 1000601 1572373 5003005 7861865 11006611 55033055