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55370577 = 345740387
BaseRepresentation
bin1101001100111…
…0001101010001
310212012010011010
43103032031101
5103133324302
65254441133
71241433153
oct323161521
9125163133
1055370577
1129289809
12166631a9
13b618a72
1474d4ad3
154cdb16c
hex34ce351

55370577 has 8 divisors (see below), whose sum is σ = 73990816. Its totient is φ = 36832032.

The previous prime is 55370563. The next prime is 55370587. The reversal of 55370577 is 77507355.

55370577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55370577 - 215 = 55337809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55370507) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18823 + ... + 21564.

It is an arithmetic number, because the mean of its divisors is an integer number (9248852).

Almost surely, 255370577 is an apocalyptic number.

It is an amenable number.

55370577 is a deficient number, since it is larger than the sum of its proper divisors (18620239).

55370577 is a wasteful number, since it uses less digits than its factorization.

55370577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40847.

The product of its (nonzero) digits is 128625, while the sum is 39.

The square root of 55370577 is about 7441.1408399519. The cubic root of 55370577 is about 381.1474481137.

The spelling of 55370577 in words is "fifty-five million, three hundred seventy thousand, five hundred seventy-seven".

Divisors: 1 3 457 1371 40387 121161 18456859 55370577