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55374628 = 2277317909
BaseRepresentation
bin1101001100111…
…1001100100100
310212012022201011
43103033030210
5103133442003
65254512004
71241451031
oct323171444
9125168634
1055374628
1129291861
1216665604
13b61a86a
1474d6388
154cdc46d
hex34cf324

55374628 has 12 divisors (see below), whose sum is σ = 97036380. Its totient is φ = 27649952.

The previous prime is 55374611. The next prime is 55374637. The reversal of 55374628 is 82647355.

55374628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12236004 + 43138624 = 3498^2 + 6568^2 .

It is a super-2 number, since 2×553746282 = 6132698852276768, which contains 22 as substring.

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, 5863 + ... + 12046.

It is an arithmetic number, because the mean of its divisors is an integer number (8086365).

Almost surely, 255374628 is an apocalyptic number.

It is an amenable number.

55374628 is a deficient number, since it is larger than the sum of its proper divisors (41661752).

55374628 is a wasteful number, since it uses less digits than its factorization.

55374628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18686 (or 18684 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The square root of 55374628 is about 7441.4130378578. The cubic root of 55374628 is about 381.1567430060.

The spelling of 55374628 in words is "fifty-five million, three hundred seventy-four thousand, six hundred twenty-eight".

Divisors: 1 2 4 773 1546 3092 17909 35818 71636 13843657 27687314 55374628