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55413136 = 2418612
BaseRepresentation
bin1101001101100…
…0100110010000
310212021021112101
43103120212100
5103141210021
65255410144
71242001222
oct323304620
9125237471
1055413136
1129308789
1216683954
13b63224c
147506412
154ce8a91
hex34d8990

55413136 has 15 divisors (see below), whose sum is σ = 107420673. Its totient is φ = 27691680.

The previous prime is 55413133. The next prime is 55413167. The reversal of 55413136 is 63131455.

The square root of 55413136 is 7444.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 59536 + 55353600 = 244^2 + 7440^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55413133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 28846 + ... + 30706.

Almost surely, 255413136 is an apocalyptic number.

55413136 is the 7444-th square number.

It is an amenable number.

55413136 is a deficient number, since it is larger than the sum of its proper divisors (52007537).

55413136 is an frugal number, since it uses more digits than its factorization.

55413136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3730 (or 1863 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The cubic root of 55413136 is about 381.2450757762.

The spelling of 55413136 in words is "fifty-five million, four hundred thirteen thousand, one hundred thirty-six".

Divisors: 1 2 4 8 16 1861 3722 7444 14888 29776 3463321 6926642 13853284 27706568 55413136