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55292454 = 2327438829
BaseRepresentation
bin1101001011101…
…1001000100110
310212001010222200
43102323020212
5103123324304
65253035330
71240656330
oct322731046
9125033880
1055292454
1129236048
1216625b46
13b5bc339
1474b4450
154cc2e39
hex34bb226

55292454 has 24 divisors (see below), whose sum is σ = 136914960. Its totient is φ = 15797808.

The previous prime is 55292443. The next prime is 55292459. The reversal of 55292454 is 45429255.

55292454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55292459) 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 11 ways as a sum of consecutive naturals, for example, 219289 + ... + 219540.

It is an arithmetic number, because the mean of its divisors is an integer number (5704790).

Almost surely, 255292454 is an apocalyptic number.

55292454 is an abundant number, since it is smaller than the sum of its proper divisors (81622506).

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

55292454 is a wasteful number, since it uses less digits than its factorization.

55292454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438844 (or 438841 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 55292454 is about 7435.8895903584. The cubic root of 55292454 is about 380.9681086002.

The spelling of 55292454 in words is "fifty-five million, two hundred ninety-two thousand, four hundred fifty-four".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 438829 877658 1316487 2632974 3071803 3949461 6143606 7898922 9215409 18430818 27646227 55292454