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55700556 = 2234641713
BaseRepresentation
bin1101010001111…
…0110001001100
310212210212210120
43110132301030
5103224404211
65305504540
71244306202
oct324366114
9125725716
1055700556
112949471a
12167a2150
13b703012
14757d072
154d53d06
hex351ec4c

55700556 has 12 divisors (see below), whose sum is σ = 129967992. Its totient is φ = 18566848.

The previous prime is 55700539. The next prime is 55700563. The reversal of 55700556 is 65500755.

55700556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2320845 + ... + 2320868.

It is an arithmetic number, because the mean of its divisors is an integer number (10830666).

Almost surely, 255700556 is an apocalyptic number.

It is an amenable number.

55700556 is an abundant number, since it is smaller than the sum of its proper divisors (74267436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55700556 is a wasteful number, since it uses less digits than its factorization.

55700556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4641720 (or 4641718 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 33.

The square root of 55700556 is about 7463.2805119465. The cubic root of 55700556 is about 381.9030939372.

The spelling of 55700556 in words is "fifty-five million, seven hundred thousand, five hundred fifty-six".

Divisors: 1 2 3 4 6 12 4641713 9283426 13925139 18566852 27850278 55700556