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55048542 = 2311098273
BaseRepresentation
bin1101000111111…
…1100101011110
310211120202101220
43101333211132
5103043023132
65243514210
71235622243
oct321774536
9124522356
1055048542
112908986a
1216528966
13b535303
14744d5ca
154c75a2c
hex347f95e

55048542 has 16 divisors (see below), whose sum is σ = 110209680. Its totient is φ = 18330752.

The previous prime is 55048541. The next prime is 55048549. The reversal of 55048542 is 24584055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55048541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2518 + ... + 10790.

It is an arithmetic number, because the mean of its divisors is an integer number (6888105).

Almost surely, 255048542 is an apocalyptic number.

55048542 is an abundant number, since it is smaller than the sum of its proper divisors (55161138).

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

55048542 is a wasteful number, since it uses less digits than its factorization.

55048542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9387.

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 55048542 is about 7419.4704662799. The cubic root of 55048542 is about 380.4070937343.

The spelling of 55048542 in words is "fifty-five million, forty-eight thousand, five hundred forty-two".

Divisors: 1 2 3 6 1109 2218 3327 6654 8273 16546 24819 49638 9174757 18349514 27524271 55048542